Our expert analysts researched and ranked the leading iPhone app development companies that build customer-centric applications that engage and convert users into paying customers. Filter listings by budget, size and client reviews to select a trusted iOS developer for your business needs.
DesignRush evaluated more than 1,500 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 an app the performs and drives 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 iPhone 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 a more streamlined communication between coaches and athletes. The app combined video analysis, progress tracking, optimized feedback loop, education, and community-building for better 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.
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Technource comprises a team of more than 20 seasoned iOS app developers who have delivered 1,000+ projects to clients from the US, the UK, Canada, Australia, Malaysia, and beyond. It specializes in various tools, technologies, and design patterns for iOS app development, such as Swift, SwiftUI, Xcode, MVC, Pattern, and Flutter. Besides custom iPhone app development, it offers application migration services, iOS UI/UX designs, 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, it guarantees on-time delivery of error-free applications following the Agile development methodology.
Hommati, a real estate platform, turned to Technource to develop a comprehensive solution with separate dashboards catering to 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 property buying experiences, Technource incorporated augmented reality (AR) into the app for advanced 3D virtual tours. This allowed agents to digitally introduce themselves to potential buyers who can, in turn, take advanced 3D virtual tours in the properties. Technource’s implementation for Hommati made property exploration more accessible and engaging.
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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 iPhone app development company leverages 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 such as, Swift, Objective-C, XCode, GameplayKit, ARKit, EventKit, Apple Pay JS, Core ML, Core Data, and more.
The iPhone app development company possesses expertise in iOS library development, app testing, and integration of features like AR, Bluetooth, and push notifications. Its monetization and marketing strategies ensure continuous visibility of the apps 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 diverse users 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 iPhone app development company is proficient in Swift, Objective-C, SwiftUI, and CocoaPods, and in databases like 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 one iOS app for more organized booking and fulfillment processes. The agency leveraged intelligent algorithms for assigning and scheduling orders to ensure 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 23,000+ orders and established a customer base of more than 18,000 users.
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With more than 10 years of industry experience, App Maisters has delivered 400+ projects, among which are interactive and 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. As it understands that an app’s strength also 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 a US college student audience through the Students Ride Sharing app. The platform facilitated carpooling to reduce individual transportation expenses. The main challenge of the project was the need for a UI/UX flow revision, which App Maisters successfully addressed by revamping the iOS app designs using LAMP (Linux, Apache, MySQL, PHP). The solution increased the adoption of group travel that, in turn, contributed to less carbon emissions.
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Intuz has been in the business for over 15 years and houses more than 50 experts in engineering, design, and digital marketing. It excels in developing Internet of Things (IoT)-powered apps for iPhone, iPad, Apple Watch, and Apple TV, leveraging its cross-platform React Native expertise for 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 prayers and action plans for its team leaders. Targeting a geographically diverse and large user base, Intuz deployed an iOS app featuring single-point access to three systems, i.e., the web app, the super admin panel, and the league admin panel. The app not only enhanced user experience and engagement but also ensured better 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 iOS app developers is proficient in Swift, Objective-C, Retrofit, Glide, Picasso, Firebase, Node.js, Flutter, XML, SQLite, Realm, Xamarin, and other tools.
Dev Technosys ensures the applications it develops 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 aimed at making 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 allowed users to see a virtual representation of themselves engaged in activities while adorned in the outfits they considered purchasing.
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 that covers rigorous software testing and multiplatform deployment for 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, XC Test, Gitlab, and SSL Pinning. It employs project management tools like Slack, Proofhub, Basecamp, Jira, and Notion for worry-free progress updates with clients.
When 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 functions, and incorporated in-app interviews and AI technology for matching 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 app 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 iPhone app development industry, 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 ensures accelerated 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 customized eCommerce iOS app that would transition the business from a business-to-business (B2B) to a business-to-customer (B2C) model. Radix built an app with various backend architectures and an intuitive user interface (UI) compatible with 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 iPhone app development companies, thanks to our expert selection team comprised of former agency executives and leaders. This team possesses an in-depth understanding of the industry and recognizes the best iOS app developers’ key attributes.
Our agency ranking process 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 |
An iPhone app development company has the expertise in programming languages and tools necessary to design, develop, and launch high-quality custom iOS applications for mobile Apple hardware, including iPhones and iPads. It exclusively specializes in the iOS technology stack, namely, Objective-C, C, C++, and Swift.
An iPhone app development company can develop the following:
As Apple’s array of products continuously diversifies, iOS app developers are expected to deliver products not only for new versions of iPhones and iPads but also for devices such as Apple Watch and Apple TV.
iPhone app development companies implement the best technologies to create high-performing and secure iOS applications. They deploy the product in the environment as well as release and submit it to the App Store, ensuring it meets Apple's guidelines and the user’s preferences in terms of 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:
Here’s a table that breaks the total cost estimates down based on complexity and timeframe:
App complexity | Cost | Timeframe |
Simple app | $10,000 to $60,000 | 2-4 months |
Medium-complexity app | $60,000 to $100,000 | 4-6 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 the development costs by multiplying the number of hours required to develop each feature with the hourly rate of the development team members.
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 incorporates the latest trends and technologies for the best user experience.
Emphasizing these reasons is a case study by iOS developer Fullestop on its work for Cravez, a food delivery app. Fullestop incorporated simple search and order confirmation functions, a real-time tracker, and multiple payment options. It also developed the app in English and Arabic to eliminate language barriers.
Shortly after release, the iOS application was managing 30 food outlets and 5,000+ orders. It was also projected to list 100 more restaurants and handle 30,000+ orders in its first month.
Follow these steps when hiring a reliable iPhone app developer:
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The best iPhone app development companies in the U.S. are:
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IOS app developers on DesignRush are highly proficient in diverse disciplines. Their certifications include Apple Certified iOS Developer (ACID), Apple Developer Program, AWS Developer - Associate, Google Firebase, Udacity iOS Developer Nanodegree, Xamarin Mobile Developer, Meta iOS Developer Professional, Mobile App Development with Swift, iOS App Development with Swift Specialization, and App Design and Development for iOS.
These trainings and certifications showcase their comprehensive skill set and capacity to deliver end-to-end solutions.
The top iPhone app development companies demonstrate their outstanding work through notable recognitions, which include the Wadline Digital Awards, Stevie Awards, Global Agency Awards, Campaign's Agency of the Year Awards, US Agency Awards, and World Brand Design Society Awards.
These indicate their ability to consistently deliver top-notch results and reliability for businesses seeking exceptional iOS design and development solutions.
These service providers are proficient in various industry-standard technologies, tools, and software, including but not limited to Xcode, CocoaPods, Swift Package Manager, Alamofire, Charles, Firebase, Realm, Postman, Stack Overflow, Shake, Transporter, Simulator, Jazzy, and Applyzer.
For deeper insight into these agencies, DesignRush features client testimonials that share project challenges, results, and overall feedback. Each review undergoes verification, ensuring that the insights we present are both current and accurate.
Using the Bayesian Statistical Method, our algorithm calculates the most probable success rate for each agency. This reduces bias and promotes equity in the rating system, aligning our agency rankings more closely with the genuine quality of the services they offer.
We make sure our content stays up to date, incorporating the latest listing data, industry trends, emerging technologies, and real-time insights supplied by agencies. It is reviewed by seasoned industry professionals who also provide their invaluable expertise — ensuring accurate and in-depth information.