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.
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:
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 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
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.
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.
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
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 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.
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
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
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.
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:
The companies on this listing are skilled in:
For more detailed insights into our process, please refer to the DesignRush Agency Ranking Methodology page.
| Agency name | Location | Hourly rate | Size | Best for |
| Orangesoft | San Francisco, CA | $50 | 100 - 249 | Overall |
| Technource | Wilmington, DE | $25 | 50 - 99 | Real estate industry |
| Surf | Wilmington, DE | $49 | 100 - 249 | Healthcare industry |
| Zazz | Seattle, WA | $50 | 250 - 499 | Tourism industry |
| Trango Tech | San Jose, CA | $25 | 100 - 249 | Home services industry |
| App Maisters | Houston, TX | $50 | Under 49 | Peer-to-peer services |
| Intuz | Peer-to-peer services | $25 | Under 49 | Community building |
| Dev Technosys | Commerce, CA | $20 | 100 - 249 | eCommerce sector |
| Appinventiv | Noida, India | $25 | 1000 & Up | Business operations |
| Radixweb | Ahmedabad, India | $25 | 500 - 999 | B2C industry |
At Atta Systems, we specialize in helping funded startups, high-growth companies, and large international organizations develop and deliver meaningful software products. Our team of experienced professionals works closely with our clients to understand their needs and deliver customized solutions that help...
Top Services:
Paving the way for a thriving digital society...
Top Services:
Applications and platforms proudly built here in the USA. We have assisted some of the most prominent global brands operating in complex and heavily regulated sectors in successfully launching software solutions that underpin their go-to-market strategy, ensuring a world-class customer experience...
Top Services:
Smplfy unlocks expertise for business solutions through IT Staffing. Our specialization spans Talents on Demand, Dedicated Engineering Teams, High-End IT Consulting, and efficient IT Recruiting Services...
Top Services:
We're a group of specialist mobile app developers based locally in Perth, Australia, with over 10 years of experience...
Top Services:
Sonatafy Technology offers a range of nearshore software development services, specializing in cloud solutions, web and mobile software applications, Google app engine development, e-commerce, big data, DevOps practices, quality assurance (QA), Internet of Things (IoT), and machine learning...
Top Services:
Codequest is an AI-driven software studio based in Warsaw, Poland. Founded in 2009, were a small, focused team of engineers, designers, and data scientists who create fast, functional, and beautiful digital products driven by cutting-edge technology and a commitment to user-centric design...
Top Services:
Dualboot is a business and software development company. We build great software, but we base our success on whether it helps your business grow...
Top Services:
BlackBox Vision is a boutique digital product development studio based in Buenos Aires, Argentina, dedicated to helping startups and scale-ups bring their ideas to life...
Top Services:
A top-rated UK app development company, delivering award-winning Android and iOS apps since the first iPhone...
Top Services:
We're an award-winning, woman-owned and led, custom software development company...
Top Services:
We build web & mobile apps for leading brands...
Top Services:
K-Optional Software: where your success is our success. From secure solutions that scale to an uncompromising focus on return on investment, we're the company that delivers. Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA...
Top Services:
Healthcare Software Development company. AI Solutions, Voice AI Agents, GenAI platform development, HL7 FHIR Software Development, and more...
Top Services:
Python-first staff augmentation for SaaS, data engineering & AI/ML. Senior embedded engineers, CVs in 24-48 hours. No freelancers...
Top Services:
3 Sided Cube is a global mobile app and digital development company with a passion for Tech For Good, championing the genius over the generic to build life-saving, life-changing digital solutions...
Top Services:
NineTwoThree AI Studio is a Boston-based AI agency that builds secure, production-grade AI and ML solutions with measurable ROI. Founded in 2012, our Ph.D.-level engineers and certified product managers have delivered 150+ projects for enterprise brands and startups alike...
Top Services:
We are a house of strategy, creative and digital technology specialists, delivering end-to-end brand experiences. With experience spanning decades, industries and continents...
Top Services:
CreativeGray is a San Francisco based custom software development company that works with startups and enterprises to strategize and build digital products...
Top Services:
Innolab AI builds AI systems that sell for you.Jane replaces SDR teams with automated, hyper-personalized outbound.Luna calls and books meetings 24/7 with human-like conversations.We help B2B leaders generate pipeline, cut admin time, and scale revenue without chaos...
Top Services:
Odyssey Computing is an industry leading custom software development company based in San Diego, CA. As a top app development company, we specialize in mobile and web app design and development, including enterprise solutions. Since our founding in 1990, our focus has been to provide solid, functional, custom...
Top Services:
APAX SoftwareAt APAX Software, we don't just create websites and mobile apps; we design, develop, and support the platforms that make a difference. With over 300 companies helped and 91,276+ development hours logged, we provide user-friendly tools that empower your team...
Top Services:
OAK'S LAB is a product, engineering, and AI partner for high-growth companies, not a generic dev shop. We embed alongside product teams to design, build, and scale production software, with deep experience in regulated industries: finance, healthcare, cybersecurity, and education...
Top Services:
Watson Creative is a research-driven branding and creative agency based on the West Coast. We specialize in brand strategy, design, marketing, and digital experiences that help businesses and nonprofits grow with purpose and impact...
Top Services:
Swovo Development is a team of highly experienced product designers, software engineers, product managers, and entrepreneurs. They love to work on new and challenging projects that require thinking outside of the box...
Top Services:
STRV is a team of over 200 experts specializing in software design and engineering. Since 2004, we have developed mobile and web solutions for a wide range of partners, including Porsche, Microsoft, Barnes & Noble, ClassDojo, The Athletic, Barry’s, Autodesk, and many more...
Top Services:
Hipo is a company that focuses on product development and collaborates with startups and enterprises worldwide to launch innovative ideas. We have a multi-disciplinary approach and a strong dedication to delivering exceptional results...
Top Services:
Interexy is a trusted smart contract, app, and web development company that helps you reach a competitive edge in the challenging market...
Top Services:
We deliver efficient, and functional apps that address immediate challenges, empower teams, and set the foundation for future growth...
Top Services:
QTIM is a digital product development company that designs and builds complex, high-load web platforms, mobile applications, SaaS products, and AI-powered solutions for businesses worldwide. Ranked among Russia's leading development companies, QTIM has successfully delivered more than 280 projects across...
Top Services:
San Digital creates beautiful things. Carefully integrated web and mobile apps, with elegant user experiences and high-quality coding. Independent strategy, architecture, data, governance, and assurance consultancy to untangle any mess you are in. We know our onions and love to share...
Top Services:
EMERGE is a top-rated UX Design Agency and Digital Product Consultancy and a trusted partner for B2B leaders across technology, healthcare, and manufacturing sectors. We specialize in driving business growth by crafting elevated, engaging digital products and services...
Top Services:
Hi there! We were expecting you!We are a nearshore software services and consulting company that partners with forward-thinking companies to achieve their business goals and accelerate growth in the digital age.We are seen as a lifelong partner for tackling any tech challenge...
Top Services:
As an established mobile app development agency, our mission is to democratize app development and technology. Startups and established businesses often struggle to create mobile applications that are scalable, efficient, and technically innovative, and that's where we come in...
Top Services:
Appstem is a full-service mobile strategy, design and development agency, Based in San Francisco, Appstem has delivered over 200 apps with a team of experts specializing in strategy, QA, development and UI/UX design...
Top Services:
Significa is an award-winning digital product design and development agency based in Porto, building beautifully functional digital products for clients across the globe...
Top Services:
Kellton is a publicly listed, CMMI Level 5, and ISO 9001:2015 certified global company, providing cutting-edge AI and digital transformation solutions and services in strategy, consulting, digital, and technology...
Top Services:
We are a joint venture of international entrepreneurs and developers. We focus on providing the high level of software development services to our clients that match our German standards. It always results in a very strong, maintainable and reliable software and complete satisfaction of the clients.The...
Top Services:
Tringapps is a pioneer in building state-of-the-art SAAS products with a worldwide audience. The daily audience base of the products designed and built by Tringapps is currently 400 Million active users and counting!...
Top Services:
At Supercharge, we partner with our clients to turn disruption into opportunity by creating transformative digital solutions. With over 200 digital experts across New York, London, Amsterdam, Helsinki, Vienna, and Budapest, we develop digital strategies, design delightful interfaces, and build robust software...
Top Services:
Day One Technologies is an AI Development specialist, creating intelligent products that are futuristic and user-centric. In three years, we've successfully served industries from FinTech to TravelTech across various markets, offering innovative solutions backed by AI, machine learning, and more. Our services...
Top Services:
Dive into the future of commerce with NESTOSH - where innovation meets Salesforce Commerce Cloud excellence. From top-tier brands to multi-platform mastery, we reshape businesses through meticulous solutions, uniting strategy, design, and development. We don't just serve; we partner in progress...
Top Services:
We are trusted by businesses of all sizes to design and develop their digital products...
Top Services:
StartupCraft is a custom development firm that specializes in creating mobile and web applications for start-ups and enterprise businesses...
Top Services:
Truelogic has over a decade of experience and has created over 1000 projects for businesses of all sizes, from fledgling startups to Fortune 100 companies...
Top Services:
At Revelry, we empower individuals by creating cutting-edge software products that they adore. Since our inception in 2012, we've been crafting and implementing scalable software solutions for businesses all over the world. Regardless of where you are in the development process, from idea to the millionth...
Top Services:
Microknot is a software development agency based in Sydney. We provide innovative software solutions to your organization's most challenging problems...
Top Services:
The Digi Expert is all about helping your business thrive online. We offer personalized digital marketing, web development, branding, and SEO services designed to boost your online presence. Our friendly team works with you to create strategies that drive real results. Lets team up and take your digital game...
Top Services:
Utility is a premier digital product agency specializing in custom mobile apps, web platforms, and AI-powered solutions for forward-thinking startups and global brands including Airbnb, Coca-Cola, Samsung, the NBA, and Forbes...
Top Services:
Touchlane is a European mobile development studio that truly gets startups and SMBs. With 10+ years on the market, we turn ideas in fintech, health & fitness, and entertainment mobile development into secure, high-performing apps users love...
Top Services:
Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding iPhone app development companies. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.
Learn more about DesignRush Agency Ranking Methodology.
DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
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:
As Apple's product lineup diversifies, iOS app developers deliver apps for iPhones, iPads, Apple Watch, and Apple TV.
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:
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:
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:
| Role | Average 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]
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 |
These are the top three reasons to hire an iPhone app development company:
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.
iOS app developers can help increase user engagement and retention by:
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.
Follow these steps when hiring a reliable iPhone app developer:
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.
Ask these key questions to potential iPhone app development agency partners:
The best iPhone app development companies in the U.S. are:
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.
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.
ProposalsFor your project
Specify your budget, timeline and project requirements
Our experts curate a list of up to 5 most qualified candidate agencies
We connect you with them so you can choose the most suitable partner
