Discover iPhone app development companies that craft iOS experiences that feel effortless, perform flawlessly, and keep users coming back.

DesignRush evaluated more than 3,300 iOS app developers from across the world based on reviews, portfolios, clientele, industry reputation, and pricing. Following this careful assessment, we've compiled a list of the top service providers poised to deliver mobile solutions that perform and drive revenue. Select the company that aligns best with your requirements, considering its core services, specializations, case studies, and more. 

The Number 1 iPhone App Development Company as Selected by DesignRush Is:

Orangesoft

[Source: Orangesoft]
  • Best for: Overall
  • Average hourly rate: $50
  • Minimum budget: $25,000 - $50,000
  • Founded: 2011
  • Size: 100 - 249
  • Location: San Francisco, CA
  • Notable clients: Adidas, Philips, CoachNow, Sport.com, Hamleys

In its 13 years in the industry, Orangesoft has developed 200+ custom mobile applications for dynamic startups and industry giants. Ensuring each app's optimal performance, it uses cutting-edge technologies, namely:

  • Objective-C, Swift, and UIKit for core processors
  • CoreData, Firebase, and Realm for databases
  • AVPlayer, PlayerRed5, Twilio, JW, and OpenTok for video streaming
  • RxSwift, Alamofire, Moya, Socket.io, and Combine for factory reset protection (FRP) and networking
  • And more

The Orangesoft team also follows rigorous quality assurance (QA) practices and real user testing on authentic devices to validate an app's reliability.

The company developed the CoachNow app for a U.S. high-performance coach, whose goal was to streamline communication between coaches and athletes. The platform combined video analysis, progress tracking, an optimized feedback loop, education, and community building to improve skill development. As a result of Orangesoft's work, the project closed Round A with $1.7 million in funding. CoachNow has since evolved into a global success story, benefiting thousands of users across 140 countries in 60+ sports.

Check Orangesoft Agency Profile

Technource

[Source: Technource]
  • Best for: Real estate industry
  • Average hourly rate: $25
  • Minimum budget: $1,000 - $10,000
  • Founded: 2012
  • Size: 50 - 99
  • Location: Wilmington, DE
  • Notable clients: Hommati, Realty Port, Tuitment, CUT-IT, Westernburbs

Technource comprises a team of more than 20 seasoned mobile software engineers who have delivered 1,000+ projects to clients from the US, the UK, Canada, Australia, Malaysia, and beyond. It specializes in tools, technologies, and design patterns for iOS app development, including Swift, SwiftUI, Xcode, MVC, Patterns, and Flutter. In addition to custom iPhone app development, it offers application migration services, iOS UI/UX design, and prototype and multiplatform development.

With flexible meeting times, the company offers free expert consultation to discuss your ideas under a non-disclosure agreement (NDA). Ensuring you stay within budget and guaranteeing on-time delivery of error-free applications following the Agile development methodology.

Hommati, a real estate platform, engaged Technource to develop a comprehensive solution with separate dashboards for home seekers, agents, and franchises. The ecosystem offered tools like commission calculators, social media sharing capabilities, preference-based search filters, and location tracking.

To enhance the property-buying experience, Technource incorporated augmented reality (AR) into its mobile solution to enable advanced 3D virtual tours. This allowed agents to digitally introduce themselves to potential buyers, who could then take advanced 3D virtual tours of the properties. Technource's implementation for Hommati made property exploration more accessible and engaging.

Check Technource Agency Profile

Surf

[Source: Surf]
  • Best for: Healthcare industry
  • Average hourly rate: $49
  • Minimum budget: $25,000 - $50,000
  • Founded: 2011
  • Size: 100 - 249
  • Location: Wilmington, DE
  • Notable clients: Google, SAP, KFC, Burger King, The Home Depot

With 12 years of industry experience, Surf assists enterprises and startups in transitioning from minimum viable products (MVPs) to full-featured products or augmenting in-house teams. Its team of intermediate and advanced iOS developers is well-versed in Swift, Human Interface Guidelines (HIG), and various Apple frameworks. Techniques like Surf MVP + Coordinators, Codestyle, and Code Review are also integrated into the workflow for greater efficiency.

The mobile app agency uses its proprietary automation software, SurfGen, to accelerate project timelines by up to 20%. Its International Software Testing Qualifications Board (ISTQB) certified experts speed up iOS app testing by 80% through advanced automation processes and comprehensive documentation.

After 10 months of work, Surf developed an MVP for a medtech company, with the aim of managing online health consultations better. Through customer journeys and machine learning (ML) algorithm, the app could screen symptoms and analyze medical history. The final product received a 4.8 average rating on the App Store and won gold in the Best Mobile MVP App category.

Check Surf Agency Profile

Zazz

[Source: Zazz]
  • Best for: Tourism industry
  • Average hourly rate: $50
  • Minimum budget: Inquire
  • Founded: 2009
  • Size: 250 - 499
  • Location: Seattle, WA
  • Notable clients: Riyadh Season, City of Mississauga, BBC News, Citibank, Honda

Zazz is backed by a 14-year history of crafting enterprise-grade, user-centric iPhone apps. It is home to certified engineers with mastery of Apple device technologies, including Swift, Objective-C, Xcode, GameplayKit, ARKit, EventKit, Apple Pay JS, Core ML, Core Data, and more.

The iPhone app development company has expertise in iOS library development, app testing, and feature integration, including AR, Bluetooth, and push notifications. Its monetization and marketing strategies ensure the apps remain visible on the App Store.

Zazz built the Imagine More app for Riyadh Season, a city-wide celebration in Saudi Arabia, to boost tourism, generate revenue, and provide a convenient guide for visitors. With a diverse user base in mind, it incorporated interactive 3D content and AR technology into the app. The dynamic native app's success was reflected in its 4.4-star rating on the App Store and 1.5 million downloads within the first month of release. It also generated $25 million in revenue.

Check Zazz Agency Profile

Trango Tech

[Source: Trango Tech]
  • Best for: Home services industry
  • Average hourly rate: $25
  • Minimum budget: $1,000 - $10,000
  • Founded: 2003
  • Size: 100 - 249
  • Location: San Jose, CA
  • Notable clients: Helpp, Kia, OAKS, Khaity, Matchbox

Trango Tech has developed custom iOS apps for games, social media, and enterprise purposes, serving over 100 clients. These apps have collectively garnered over one million downloads on the App Store.

The mobile app agency is proficient in Swift, Objective-C, SwiftUI, and CocoaPods, as well as databases such as Oracle, MySQL, SQL Server, and MongoDB. Trango Tech leverages powerful integrated development environments (IDEs), namely, Visual Studio, PyCharm, and NetBeans. The agency is supported by partnerships with IBM, Microsoft, Red Hat, AWS, Trustwave, and more.

Trango Tech's client, the all-in-one service platform Helpp, sought to integrate diverse in-home services into a single iOS app to streamline booking and fulfillment processes. The agency leveraged intelligent algorithms to assign and schedule orders, ensuring customer background verification. It also used a human resource management system (HRMS), location-based pricing, and accurate location mapping. Thanks to Trango Tech's solution, Helpp processed more than 23,000 orders and built a customer base of more than 18,000 users.

Check Trango Tech Agency Profile

App Maisters

[Source: App Maisters]
  • Best for: Peer-to-peer services
  • Average hourly rate: $50
  • Minimum budget: Inquire
  • Founded: 2014
  • Size: Under 49
  • Location: Houston, TX
  • Notable clients: Students Ride Sharing, Share One, Find A Dentist, Premier Transportation, LIFSPK

With more than 10 years of industry experience, App Maisters has delivered 400+ projects, including interactive, scalable iPhone apps that adhere to brand guidelines and target specific markets. Its iOS app developers excel in programming languages such as Objective-C and XCode, application programming interface (API) architecture for backend development, and hardware integration using Agile methodology.

The agency stands out in increasing store traffic, brand awareness, and sales through app marketing and social networking strategies. Recognizing that an app's strength lies in content integration and presentation, App Maisters seamlessly integrates audio, video, magazines, and eBooks into its products.

App Maisters created a city-to-city carpooling solution for US college students through the Students Ride Sharing app. The platform facilitated carpooling to reduce individual transportation expenses. The main challenge of the project was the need to revise the UI/UX flow, which App Maisters successfully addressed by revamping the iOS designs using LAMP (Linux, Apache, MySQL, PHP). The solution increased group travel adoption, which in turn reduced carbon emissions.

Check App Maisters Agency Profiles

Intuz

[Source: Intuz]
  • Best for: Community building
  • Average hourly rate: $25
  • Minimum budget: $10,000 - $25,000
  • Founded: 2008
  • Size: Under 49
  • Location: San Francisco, CA
  • Notable clients: Kingdom League International, Holiday Inn, Badu Connect, AMG, Hello Meela

Intuz has been in the business for over 15 years and houses more than 50 experts in engineering, design, and digital marketing. It excels at developing Internet of Things (IoT)-powered apps for iPhone, iPad, Apple Watch, and Apple TV, leveraging its cross-platform React Native expertise to deliver a seamless user experience across these iOS devices. The company has mastered turnkey iPhone development solutions, including Apple Pay (PassKit), WatchOS, HomeKit, HealthKit, SiriKit, MetricKit, CloudKit, iBeacons, 3D Touch, In-App Purchases, and CarPlay.

Intuz collaborated with Kingdom League International, a foundation focused on community transformation, to create the 1 Church 1 Day app. The client's goal was to facilitate strategic plans and action plans for its team leaders. Targeting a large, geographically diverse user base, Intuz deployed an iOS app that provides single-point access to three systems: the web app, the super admin panel, and the league admin panel. The solution enhanced the user experience and engagement while improving the management of user rights and permissions.

Check Intuz Agency Profile

Dev Technosys

[Source: Dev Technosys]
  • Best for: eCommerce sector
  • Average hourly rate: $20
  • Minimum budget: Inquire
  • Founded: 2010
  • Size: 100 - 249
  • Location: Commerce, CA
  • Notable clients: Fashion Porters, Nike, Johnson and Johnson, Whirlpool, Pfizer

Specializing in iPhone app development for over 13 years, Dev Technosys has created 1,000+ distinctive mobile applications for more than 700 clients from 70+ countries. Its team of over 150 qualified mobile software engineers is proficient in Swift, Objective-C, Retrofit, Glide, Picasso, Firebase, Node.js, Flutter, XML, SQLite, Realm, Xamarin, and other tools.

Dev Technosys ensures its applications reach a broader audience through multiplatform deployment services. Moreover, it provides iPhone app porting and upgrade services, allowing organizations to stay current with emerging technologies and attract more users.

Dev Technosys created Fashion Porters, an iPhone application designed to make fashion shopping more realistic. The company used a CAD system so buyers could “fit” and visualize clothes through 3D avatars generated from their body measurements. The eCommerce app's immersive 360-degree video simulation lets users see a virtual representation of themselves engaging in activities while wearing the outfits they are considering.

Check Dev Technosys Agency Profile

Appinventiv

[Source: Appinventiv]
  • Best for: Business operations
  • Average hourly rate: $25
  • Minimum budget: $25,000 - $50,000
  • Founded: 2015
  • Size: 1000 & Up
  • Location: Noida, India
  • Notable clients: JobGet, Ikea, Domino's, Appfirm, H3 Enterprises

With a team of 250+ in-house iOS app developers, Appinventiv has successfully delivered more than 500 iOS projects in its nine years in the industry. The company offers full-stack iPhone app development, including rigorous software testing and multiplatform deployment, to ensure optimal performance and global reach. The company It has been recognized by The Economic Times as one of India's Growth Champions in 2023.

Appinventiv specializes in tools and techniques such as Xcode, Zeplin, Invision, Figma, Objective-C, Swift, XCTest, GitLab, and SSL Pinning. It uses project management tools such as Slack, Proofhub, Basecamp, Jira, and Notion to ensure worry-free progress updates with clients.

When the job marketplace, JobGet, dealt with lengthy job fulfillment periods, Appinventiv streamlined the search and candidate assessment processes. Through a Product Discovery Workshop, it crafted resume-like user profiles, integrated location-based features, and incorporated in-app interviews and AI technology to match employers and jobseekers. This reduced search time from months to days.

With over two million downloads, the platform managed 50,000+ active employers and placed 150,000+ jobseekers. The app dominated its category in monthly downloads, active users, and user satisfaction, securing $52 million in Series B funding.

Check Appinventiv Agency Profile

Radixweb

[Source: Radixweb]
  • Best for: B2C industry
  • Average hourly rate: $25
  • Minimum budget: $25,000 - $50,000
  • Founded: 2000
  • Size: 500 - 999
  • Location: Ahmedabad, India
  • Notable clients: Xerox, The New York Times, Shutterfly, Tesco, Ricoh

With over 23 years of experience, Radixweb is a prominent player in the mobile platform solutions sector, boasting a track record of 3,000 clients worldwide and a 97% client retention and return rate. It is backed by a team of 650 tech experts skilled in Objective-C, Swift, iCloud Drive, iBeacon, Core Bluetooth, iMovie, Siri, and 3D Touch. The company accelerates time-to-market through iterative development, facilitated by dedicated project managers.

Recognized with prestigious awards such as the Inc. Power Partner and Globee Business Excellence Award, Radixweb has been a member of the Forbes Technology Council since 2023. Holding ISO 27001:2022 and ISO 9001:2015 certifications underscores the company's commitment to stringent security standards.

A UAE-based food and beverage company engaged Radixweb to develop a custom eCommerce iOS app to transition from a business-to-business (B2B) to a business-to-consumer (B2C) model. Radix built a solution with multiple backend architectures and an intuitive WordPress-compatible user interface (UI) for WordPress, OpenCart, Magento, Shopify, and Strapi. The platform featured real-time order processing updates, a scalable multi-tenant architecture, dynamic themes, social login, multiple payment gateways, and multilingual support. Its in-app analytics function also helped reduce inventory wastage.

Check Radixweb Agency Profile

How We Picked the Best iOS App Developers

DesignRush is a reliable resource for identifying top iOS app developers, thanks to our expert selection team, comprising former agency executives and leaders. Our team possesses an in-depth understanding of our agency ranking process, which adheres to rigorous criteria, including:

  • Vetted reviews: Client satisfaction, the agency's level of authority in the iOS app development, and the quality of work
  • Robust portfolio: List of smartphone app development projects and their outcomes, backed by case studies
  • Awards and press mentions: Thought leadership, industry reputation, and innovation demonstrated by awards and media recognition
  • Team bios: Team members' profiles, experience, certifications, and specializations
  • Top services: Areas of expertise and core services

The companies on this listing are skilled in:

  • iOS development languages and frameworks
  • iOS integrated development environments (IDEs)
  • Core data
  • Debugging
  • Memory management
  • Source control
  • Grand Central Dispatch (GCD)
  • Unit testing
  • API integration
  • Creative UI/UX design
  • Spatial reasoning
  • Storyboards creation

For more detailed insights into our process, please refer to the DesignRush Agency Ranking Methodology page.

10 Most Popular iOS App Development Companies Compared

Agency nameLocation Hourly rateSizeBest for
OrangesoftSan Francisco, CA$50100 - 249Overall
TechnourceWilmington, DE$2550 - 99Real estate industry
SurfWilmington, DE$49100 - 249Healthcare industry
ZazzSeattle, WA$50250 - 499Tourism industry
Trango TechSan Jose, CA$25100 - 249Home services industry
App MaistersHouston, TX$50Under 49Peer-to-peer services
IntuzPeer-to-peer services$25Under 49Community building
Dev TechnosysCommerce, CA$20100 - 249eCommerce sector
AppinventivNoida, India$251000 & UpBusiness operations
RadixwebAhmedabad, India$25500 - 999B2C industry

 

Best iOS App Development Agency In San Francisco

91 Companies - Rankings updated: May 21, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

United States × California × San Francisco ×
  • Innovating Healthcare Through Technology

    Orangesoft is a full-cycle software development partner focused on healthcare.  [... view Orangesoft profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed

    Orangesoft Services

    • Software Development
    • Mobile App Development
    • Web Development
    • IoT
    • AI Development
    • Wearables
    • Software Testing
    • UI/UX Design
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Digital coaching platform
      App Development Project for Wellness & Fitness Company Digital coaching platform
    • Medication management app
      App Development Project for Health Care Company Medication management app
    • Hearing improvement application
      App Development Project for Health Care Company Hearing improvement application
    • Heart rate monitoring application
      App Development Project for Health Care Company Heart rate monitoring application
    Comprehensive analysis done by DesignRush Agency Experts.
    • CoachNow
    • Flo
    • Yukon Optics
    • Philips
    • Hamleys
    • Ikea
    • Liquid Barcodes
    • Cinemood
    • Europa Plus TV
    Data sourced from the agency's DesignRush profile

    Orangesoft Reviews & Testimonials

    • Olga Rapaport
      Olga Rapaport Review from Google
      5.0

      Olga Rapaport's Review Sourced from Google

      All of their 5-star reviews of Clutch are reasonable. Partnering with Orangesoft strikes the right balance between deep expertise and quality. Worth every dollar spent.

      Show more
    • Maria Maria
      Maria Maria Review from Google
      5.0

      Maria Maria's Review Sourced from Google

      Collaborating with Orangesoft was a highly satisfying journey. Not only did they create a stunning app, but they also exceeded our expectations in terms of both budget and schedule. Their ideas and skills made our project even better. We're excited to work with them again in the future! :)

      Show more
    Reviews verified by DesignRush and sourced from the agency's profile
  • World's #1 Rated & Reviewed App, Website & Software Development Company

    World's #1 Rated & Reviewed App, Website & Software Development Company

    Here at Probey Services, we craft innovative mobile experiences through expert App Development tailored for iOS and Android platforms. Our deep understanding of scalable software architecture and user-centric design ensures unmatched results that drive engagement and maximize ROI across global markets.  [... see all Probey Services reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    130 Projects Listed
  • Modern IT. Built Secure. Delivered Right.

    Modern IT. Built Secure. Delivered Right.

    Zazz provides unique expertise in delivering secure, scalable App Development solutions that overcome legacy constraints and technical debt. Our powerful insights optimize results across every enterprise software and cloud transformation campaign, enabling faster innovation and seamless integration at scale.  [... see all Zazz reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $45/hr
    Portfolios Count
    36 Projects Listed
  • Goji Labs

    DesignRush Design Award Winner
    An Award-Winning Agency That Builds It Right

    An Award-Winning Agency That Builds It Right

    Goji Labs distinguishes itself through a collaborative approach that transforms visions into impactful digital products. As an app development company, our tailored strategies consistently enhance outcomes in product strategy, UX/UI design, and mobile innovation for clients like WHO, Root Insurance, and WWF.  [... see all Goji Labs reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $149/hr
    Portfolios Count
    18 Projects Listed
  • Top US Mobile & Web App Development Agency

    Top US Mobile & Web App Development Agency

    We constantly strive to deliver exceptional App Development solutions that bring your ideas to life on time and within budget. Our expertly crafted strategies consistently outperform expectations in UI/UX design, AI integrations, mobile, and backend development. Reach out for a free consultation.  [... see all AppMakers USA reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    83 Projects Listed
  • Designli

    DesignRush Design Award Winner
    Helping non-technical founders find peace of mind.

    Helping non-technical founders find peace of mind.

    Designli is a mobile app development agency delivering dedicated, full-time teams of designers, engineers, and strategists focused solely on your app’s success. We craft beautiful, user-friendly apps through a clear process—from clickable prototypes to launch—solving your key business challenges.  [... see all Designli reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
  • Digital Silk

    DesignRush Design Award Winner
    Growing Brands Online

    Growing Brands Online

    Our mission at Digital Silk is to elevate brands through innovative digital solutions that drive measurable growth. With our extensive industry knowledge, achieving success in App Development and integrated marketing strategies is second nature. Trusted by SONY, P&G, and NYU, we deliver results that matter.  [... see all Digital Silk reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Portfolios Count
    44 Projects Listed
  • Empowering eCommerce Excellence

    Empowering eCommerce Excellence

    We are Magneto. A team of digital commerce experts working with manufacturers, wholesalers, and retailers globally, turning ideas into unique customer and content-centric experiences using a platform-agnostic approach.  [... see all Magneto IT Solutions reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    44 Projects Listed
  • Where Exceptional Apps are Just the Beginning

    Where Exceptional Apps are Just the Beginning

    BitsWits delivers innovative App Development across industries like healthcare, e-commerce, and finance. Leveraging mobile, blockchain, and AI technologies, we create high-performance apps proven by projects like ProEYE and custom CRM systems that drive business transformation and growth.  [... see all BitsWits reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
  • Clay

    DesignRush Design Award Winner
    Top UI/UX design, web design, and branding agency in San Francisco.

    Top UI/UX design, web design, and branding agency in San Francisco.

    We're a global group of strategists, designers, and engineers building notable brands and premier digital experiences that captivate users worldwide.Our unified, AI-infused creative approach ensures scalability and consistency across all brand touchpoints by building robust design systems.  [... see all Clay reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Portfolios Count
    12 Projects Listed
  • Enterprise Software & AI Engineering - Silicon Valley Rigor, Nearshore Speed

    Enterprise Software & AI Engineering - Silicon Valley Rigor, Nearshore Speed

    Cheesecake Labs builds high-performance mobile and web applications for mid-size enterprises and Fortune 500 companies, from greenfield product development to modernizing apps that have outgrown their original architecture. With 300+ projects shipped across fintech, healthcare, logistics, and SaaS, the team  [... see all Cheesecake Labs reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Portfolios Count
    13 Projects Listed
  • Your Vision. Our Expertise. Shaping the Future!

    Your Vision. Our Expertise. Shaping the Future!

    TekRevol is a globally recognized digital innovation company with 10 years of experience delivering high-impact mobile applications, AI-powered software, and scalable digital products. Every engagement begins with a clear roadmap, defined KPIs, and a commitment to measurable business outcomes.  [... see all TekRevol reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    46 Projects Listed
  • TRIARE unlocks IT potential of YOUR business

    TRIARE unlocks IT potential of YOUR business

    TRIARE makes it easy to accelerate your vision with mobile app development services tailored for impact. Superior solutions are born from our profound experience in Kotlin, Swift, Flutter, and React Native, delivering full-cycle expertise, transparent Agile processes, and dedicated teams focused on your  [... see all TRIARE reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Portfolios Count
    62 Projects Listed
  • Your Technology Partner

    Your Technology Partner

    SDLC Corp provides solutions for clients seeking an innovative app development agency that transforms ideas into scalable, high-performance applications. Our proven strategies drive excellence in every mobile app and digital product we handle, ensuring seamless user experiences and measurable business growth  [... see all SDLC Corp reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    50 Projects Listed
  • Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    SapientPro is a custom software, design, and AI development team. Since 2017, we've shipped 200+ projects in the US and EU, with offices in New York, Tallinn, and Lucerne. Most clients come back for a second project, the metric we actually care about.  [... see all SapientPro reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed
  • Design Agency Bridging Product & Brand

    Design Agency Bridging Product & Brand

    Ramotion is a San Francisco/Burlingame, California based digital product studio founded in 2009. The boutique agency blends brand strategy, UX/UI, web and mobile design, and front-end development to support startups through Fortune 500 companies. With a curated client roster and a team of ~70  [... see all Ramotion reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Portfolios Count
    18 Projects Listed
  • Full-cycle software development powerhouse

    Full-cycle software development powerhouse

    Since 2013, we've delivered 300+ digital products across 17 countries, empowering brands like Porsche, Panasonic, Transparency International, Heinemann, CBRE, and dozens of ambitious startups and scaleups.  [... see all Empat reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed
  • We Create Result Driven Apps, Websites, and Brands

    We Create Result Driven Apps, Websites, and Brands

    Founded in 2012, ANML(Animal) is an adaptive and forward-thinking studio dedicated to helping our clients grow and achieve measurable results. We partner with organizations of all sizes, from ambitious start-ups to globally recognized companies, to unlock their potential and drive meaningful impact.  [... see all ANML reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Portfolios Count
    19 Projects Listed
  • Hire World-Class Developers.

    Hire World-Class Developers.

    Outsource Your Software Development Services to DreamzTech, the 10 Yrs.+ Exp. Award-Winning Software Design & Development Company based in USA, UK, India & South Africa. Hire World-Class Offshore Developers at $20/HR trusted by Startups, SMBs to Fortune 500 Brands. Get a 15 Days Free Trial!  [... see all DreamzTech Solutions reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Turning App Ideas into App Businesses Since 2007

    Turning App Ideas into App Businesses Since 2007

    We don't just build apps. We build app businesses that actually succeed, where 80% fail within their first year. For 17 years we've perfected what actually works, having launched 300+ successful apps, including one that hit 4+ million downloads in just 60 days with sub-$3 user acquisition.  [... see all Dedicated Developers reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Portfolios Count
    27 Projects Listed
  • Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

    Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

    As a leading mobile app development agency, we empower organizations like Facebook, Omnicom, and United Health to launch high-quality apps with expert teams, proven processes, and transparent collaboration. Partner with us to accelerate your next mobile project—results you can trust.  [... see all Azumo reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed
  • Feel like you're working with your own team.

    Feel like you're working with your own team.

    As a web development company specializing in building high-load complex products, we are passionate about sharing our expertise and keeping you updated on the latest advancements in these key areas.  [... see all Singula reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Solveit

    DesignRush Design Award Winner
    100% Focused on Apps

    100% Focused on Apps

    We design and develop top-rated mobile and web apps for startups and SMEs. E-commerce, Healthcare, Marketplaces, and more. Our clients rate us for 5 out 5 - check out why!  [... see all Solveit reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    30 Projects Listed
  • FUELING DISRUPTION

    FUELING DISRUPTION

    App Development is at the heart of what we do. EffectiveSoft stands out because we turn your ideas into reliable digital products, supporting you from concept to launch and beyond. Our collaborative approach yields unmatched expertise in software, AI, and cloud solutions for your growth.  [... see all EffectiveSoft reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    29 Projects Listed
  • A Digital Agency For The Future

    A Digital Agency For The Future

    We create fully customized, scalable, easy-to-manage websites and apps with a creative twist. Everything we build for you at Design in DC is made with the future in mind. We are a full-service creative agency with a global and local mindset.  [... see all Design In DC reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $160/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed
  • RNO1

    DesignRush Design Award Winner
    RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth

    RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth

    RNO1 is a global branding and digital growth agency for modern brands that refuse to play it safe. We design Radical Digital Experiences that don't just look good: they drive real growth.  [... see all RNO1 reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Portfolios Count
    10 Projects Listed
  • ZERO NEGATIVE

    DesignRush Design Award Winner
    Boutique studio creating tailored web experiences.

    Boutique studio creating tailored web experiences.

    Reach for the sky. We are Zero Negative. Your sidekick for big ideas. In a nutshell, Zero Negative is a small, boutique full-service design and development studio with a focus on creativity and close collaboration with clients. We make stuff - websites, web apps, interactive experiences, branding, and  [... see all ZERO NEGATIVE reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
  • Software Outsourcing & Development | 500+ Active Clients

    Software Outsourcing & Development | 500+ Active Clients

    Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies.  [... see all BairesDev reviews ]
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • World-Class Software Engineering Partner

    World-Class Software Engineering Partner

    Dream X is a full-cycle software development company dedicated to building high-performance products. Founded in 2022 by Alexandr Korshykov, we partner with businesses worldwide to deliver end-to-end technical solutions.  [... see all DreamX reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    15 Projects Listed
  • We create digital products and grow with our partners!

    We create digital products and grow with our partners!

    Rocketech is a software development company collaborating with 100+ Middle and Senior level IT and business professionals and specialising in analytics-driven web and mobile development. Our team has released 150+ products for 100+ startups and enterprises.  [... see all Rocketech Development reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
  • Nearshore Software Development Services

    Nearshore Software Development Services

    Clear your backlog and ship products you're proud of faster with our nearshore software development resources. We provides highly skilled, team-based resources to companies that need tech talent fast.  [... see all Admios reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Engineering peace of mind

    Engineering peace of mind

    At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success.  [... see all Vention reviews ]
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • AI-Enabled Сustom Software Development

    AI-Enabled Сustom Software Development

    We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs.  [... see all JetRuby reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    33 Projects Listed
  • Top-rated Mobile Apps, AI/ML, Blockchain Development Company.

    Top-rated Mobile Apps, AI/ML, Blockchain Development Company.

    Junkies Coder is a leading technology solution provider across 15 countries and 50+ Rockstar Developers is our strength, We're specializing in web development, Top-rated Mobile App Development, and innovative solutions. Our experienced team is dedicated to delivering high-quality service and support to help  [... see all Junkies Coder reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
  • Full Stack Digital Product Development Company

    Full Stack Digital Product Development Company

    DigiTrends is a full-stack digital agency with a strong mission to digitize various sectors, ranging from Pharma and Fintech to e-commerce and retail. With proven experience and expertise, we have earned the trust of over 600+ brands, including globally renowned enterprises and fortune 500 companies  [... see all DigiTrends reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    21 Projects Listed
  • Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!

    Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!

    Trango Tech provides unique digital solutions, leveraging a team of 200+ seasoned developers to deliver seamless App Development, mobile platforms, and enterprise-grade systems. Our powerful insights optimize results across every digital transformation campaign. Explore what’s next.  [... see all Trango Tech reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Portfolios Count
    17 Projects Listed
  • Building Products AI-Native Way

    Building Products AI-Native Way

    Talentica Software delivers exceptional solutions as a mobile app development agency, empowering visionary startups across the USA, Europe, and India. Mastery in AI/ML, UI/UX, and emerging tech differentiates our team from the competition. Partner with us for transformative results.  [... see all Talentica Software reviews ]
    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
  • AI Digital Product Engineering & Consulting Firm

    AI Digital Product Engineering & Consulting Firm

    GeekyAnts is a global GeekyAnts is an AI-powered digital product engineering and consulting specializing in AI Consulting, Product Engineering, Enterprise Modernization, Digital CX, With 15+ years of experience, weve served 550+ clients like Google, SKF, WeWork, and ICICI, delivering 800+ projects.  [... see all GeekyAnts reviews ]
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    36 Projects Listed
  • We Build AI Systems You Own

    We Build AI Systems You Own

    Spiral Scout builds AI agent systems and production workflow automation for companies that need more than a proof-of-concept. 120+ engineers, 16 years of production engineering, certified Temporal Solution Provider, and creators of Wippy.ai. 612+ projects shipped.  [... see all Spiral Scout reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    30 Projects Listed
  • Certified E-Commerce Development Company

    Certified E-Commerce Development Company

    Certified E-Commerce Development Company  [... see all Dinarys reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • A disruptive development company.

    A disruptive development company.

    Providing Chatbot, Development, and website/app solutions. If you can dream it, we can build it. Intelligent apps require brilliant design and intuitive product strategy. We analyze and design every aspect of your project to ensure that its engaging, stylish, and easy to use.  [... see all Dogtown Media reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $140/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • AI-Powered Custom Software Solutions

    AI-Powered Custom Software Solutions

    Blackstone helps companies reshape the world through software development supporting them to build solutions that capture new markets, innovate business models, and solve business challenges.  [... view Blackstone Studio profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    15 Projects Listed
  • A highly recommended mobile app development company

    A highly recommended mobile app development company

    Blue Label Labs is a premier digital product agency, providing a comprehensive array of services to transform businesses in the digital realm. With a strong global presence, we specialize in mobile app development, especially iPhone app development, publishing app development, web design, and product  [... view BlueLabel profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    22 Projects Listed
  • The Best Digital Marketing Agency Leading Globally.

    The Best Digital Marketing Agency Leading Globally.

    We are a full-service agency with digital and technology experts who work on performance and conversion rate optimization, branding, SEO, SMM, e-commerce solutions, digital PR, website and product development, mobile app development, creative communications, and cloud solutions. We create efficient  [... see all IDigitalise reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Since 2002 in the software development business. Companies from 27 industries choose us.

    Since 2002 in the software development business. Companies from 27 industries choose us.

    With over 20 years of industry experience, Gecko Dynamics is a trusted partner for startups and enterprises. Our team delivers end-to-end solutions using Java, Angular, Flutter, and AWS. From ideation to post-launch support, we're dedicated to driving progress for our clients across industries.  [... see all Gecko Dynamics reviews ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Portfolios Count
    11 Projects Listed
  • Simplify Every Software Product Interface

    Simplify Every Software Product Interface

    Pepper Square is a digital innovation agency that blends strategy, design, and technology to deliver intuitive digital products and experiences. The agency specializes in UI/UX design, web and mobile app development, digital strategy, and creative solutions tailored to enterprise and mid-market clients. With  [... view Pepper Square profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • AI & Software Development Company

    AI & Software Development Company

    Scalable AI, MLOps & Software Development for Visionary Projects. At Intuz, we engineer intelligent, scalable, and future-ready systems. We thrive on complexity, and if your project pushes boundaries, we are the team to make it happen.  [... see all Intuz reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Mobile and Web Apps for Startups and Businesses

    Mobile and Web Apps for Startups and Businesses

    We've built products for Fintech, Law, Healthcare, Fitness, Taxi, Delivery, Education and many other industries. We develop solutions for B2B, B2G and retail.  [... view MetaProject profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
  • Driving Change Through Technology

    Driving Change Through Technology

    At eQuality Software, we create digital solutions that drive real impact. With over 14 years of experience in mobile app development, our team specializes in designing and delivering scalable, intuitive, and high-performance applications tailored to your business goals.  [... view Equality Software profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
  • We Help Data Driven Companies Build Measurable Generative AI Solutions.

    We Help Data Driven Companies Build Measurable Generative AI Solutions.

    At Markovate, we specialize in transforming businesses through cutting-edge AI and digital solutions. Our commitment is to drive innovation and operational excellence in every project.  [... see all Markovate reviews ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

iPhone App Development Company Hiring Guide

What is an iPhone app development company?

An iPhone app development company specializes in building high-quality, custom iOS applications for Apple devices, including iPhones, iPads, Apple Watch, and Apple TV. These companies leverage tools and programming languages such as Swift, Objective-C, and Xcode to create seamless native mobile experiences. 

An iPhone app development company can develop the following:  

  • Native iOS apps: Designed exclusively for iOS, offering optimal performance and user experience. Swift enables faster, more efficient development compared to Android. 
  • Hybrid apps: Built to run on multiple platforms, offering broader reach at the cost of native optimization and depth of features.

As Apple's product lineup diversifies, iOS app developers deliver apps for iPhones, iPads, Apple Watch, and Apple TV. 

What do iPhone app development companies do?

iPhone app development companies use the latest technologies to build high-performing, secure iOS applications. They deploy the product in production and submit it to the App Store, ensuring it meets Apple's guidelines and aligns with user preferences for look and feel, ease of use, and performance. 

An iPhone app development company also helps with: 

  • Concept ideation and strategic planning
  • UI/UX design tailored for iOS
  • Native and hybrid app development
  • Backend setup and API integration
  • QA testing and debugging
  • App Store deployment and compliance
  • Ongoing support and maintenance

How much does it cost to develop an app for iOS?

Developing an app for iOS costs $10,000 to over $500,000. On average, businesses spend around $50,000 to launch a reliable iOS app.  

Factors that impact these costs are: 

  • App's level of complexity 
  • Backend configuration and administration 
  • The company's experience and team size 
  • Time needed to develop the app from scratch 

The following table breaks the total cost estimates down based on complexity and timeframe:

App complexity Cost Timeframe 
Simple app $10,000 to $60,000 2 to 4 months 
Medium-complexity app $60,000 to $100,000 4 to 6 months 
Complex app $100,000 to $500,000+ 9+ months 

[Source: SPD Load]

iPhone app development companies typically charge on an hourly basis. They calculate development costs by multiplying the number of hours required to develop each feature by the hourly rate for the development team. 

Here are the average hourly rates for the individual roles in an iPhone developer team:

RoleAverage hourly rate 
iOS app developer $50 to $100 
UI/UX designer $20 to $50 
Project manager $50 to $150 
QA engineer $30 to $80 

[Source: InfoStride

How long does it take to make an iPhone app?

Building an iPhone app can take three to nine months, depending on its complexity and features. For a clearer perspective, here are estimated timeframes for iOS app development:

 Simple apps Medium-complexity apps Complex apps 
Requirement analysis and planning 1-2 weeks 2-3 weeks 3-4 weeks 
Wireframing 1-2 weeks 2-3 weeks 3-5 weeks 
UI/UX design 2-3 weeks 5-6 weeks 9-10 weeks 
Development 6-7 weeks 14-15 weeks 20-22 weeks 
QA and deployment 1 week 2 weeks 3 weeks 
Total 11-15 weeks / 2-4 months 25-29 weeks / 5-7 months 32-44 weeks / 7-10 months 

Why should I hire trustworthy iOS app developers?

These are the top three reasons to hire an iPhone app development company: 

1. Keep sensitive data secure 

Partnering with a professional iPhone app development company will ensure the highest level of security for your app and keep your data safe from external threats. 

2. Enhance customer experience 

iOS app developers can help increase user engagement and retention by: 

  • Using push notifications properly
  • Running retargeted advertisements
  • Sending in-app personalized messages
  • Leveraging machine learning (ML) for recommendations

3. Generate higher app revenue 

iPhone applications drive a high return on investment (ROI) from in-app purchases, subscriptions, and premium games. Professional iOS development leverages the latest trends and technologies to deliver the best user experience. 

Success story

Fullestop developed a multilingual iOS app featuring real-time tracking, secure payments, and an intuitive UI.  It also developed the app in English and Arabic to eliminate language barriers. The app scaled to 5,000+ orders post-launch and projected 30,000+ in its first month.

How do I hire a trusted iPhone app developer?

Follow these steps when hiring a reliable iPhone app developer: 

  1. Define your requirements and assess your budget. This is also where you decide on whether you need a native or a hybrid application. 
  2. Research and compare the top iOS app development companies.
  3. Read and verify client reviews, ratings, and recommendations. You can also ask your network about the companies you've researched. 
  4. Look at their portfolios and check for projects within your domain. Evaluate the stages of their design process: wireframing, concepts, storyboards, prototyping, and others. 
  5. Ask about their approach to UI/UX design. Examine their development process, methodologies, tools, iOS software development kit (SDK), and proficiency in Swift and Objective-C programming languages, frameworks, and databases. 
  6. Check whether they provide a full cycle of iOS app development services, including research and market analysis, API development and integration, testing, and post-release support and maintenance. 
  7. Select up to five candidates from your list. Send them a request for proposal (RFP) and ask for price estimates with a breakdown. 
  8. Receive and review proposals. Arrange interviews to get to know the teams that developed the proposals. 
  9. Decide based on your evaluations, and examine the contract before entering into an agreement. 

DesignRush can help you in your search for the ideal iPhone app development company for free. Simply head to our Marketplace to share your project details. We'll connect you with up to five of the best candidates from our directory. 

What should I ask potential iPhone app development agency partners?

Ask these key questions to potential iPhone app development agency partners: 

Its Relevant Background 

  1. How many apps have you developed? 
  2. Do you have a track record of working with clients or a portfolio of apps that can be aligned with our needs and ideas? 
  3. What project are you most proud of and how did you ensure its success? 
  4. What's your preferred development methodology? 
  5. What's your experience with payment integrations? 
  6. What's your development team’s capacity? 

Company Services and Processes 

  1. What's your approach to structuring and building an iOS application from scratch? 
  2. Are you going to provide a roadmap? 
  3. How do you guarantee that your applications are accessible and optimized for scrolling performance? 
  4. What's your process for QA testing, debugging, and profiling codes? How do you test the application's impact on device performance? 
  5. How do you secure private user data on a device?

The Project 

  1. Who will be the project manager? How often will we communicate and through which channels? 
  2. Will our team have a say in the app development process?  
  3. What interfaces do you suggest for a user-friendly iOS application? 
  4. What monetization strategies do you think will work best for our app? 
  5. Which mobile analytics should we build into our app? 
  6. What security best practices do you suggest we should implement? 
  7. Who will own the source code? 
  8. How well can your team adapt to changes and new ideas from our end? 
  9. Do you provide a post-release analysis and suggestions for potential improvements? 
  10. What is the emergency crisis plan if something goes wrong near the launch date? 
  11. How do you determine your prices? How will costs potentially change as development progresses? 

What are the best iPhone app development companies in the U.S.?

The best iPhone app development companies in the U.S. are: 

  • SEM Nexus 
    • 4.8 stars on DesignRush (25 reviews) 
    • Top clients: YogiGoFitness, WinQuik, Know Wake, Nautical Eye, Assassins 
  • Naked Development 
    • 4.6 stars on DesignRush (12 reviews) 
    • 5.0 stars on Google (2 reviews) 
    • Top clients: Car Blip, Vigor Fitness, Snap MD, Life.Church 
  • Digital Silk 
    • 4.9 stars on DesignRush (33 reviews) 
    • 5.0 stars on Google (5 reviews) 
    • Top clients: IBM, AT&T, Sony, Microsoft, NYU 
  • Calibrate 
    • 4.8 stars on DesignRush (6 reviews) 
    • Top clients: Pikazo, IndependencePlus, Leveled, Tally 
  • BairesDev 
    • 4.8 stars on DesignRush (25 reviews) 
    • 3.9 stars on Google (19 reviews) 
    • Top clients: Google, Salesforce, Rolls-Royce, Motorola, Burger King 

Scroll up to learn more about these companies and be sure to explore the rest of the listing. Customize your search by location, reviews, rates, average team size, and more. 

How legitimate is the content in the hiring guide?

We aim to provide information that's accurate and valuable to brands and agencies alike, which is why we collaborated with Keith Shields, CEO and co-founder of Designli, a prominent software development firm. He answered common questions regarding iOS app development, as well as successful SaaS startups

Boasting over 20 years of experience in the tech niche, Keith Shields has built a career on turning big ideas into chart-leading apps. Under his leadership, Designli has received more than 200 five-star reviews and a reputation as a go-to partner for scalable app solutions. 

About The Author and Expert Reviewer

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.