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Top Swift App Development Companies

The global iOS app development market is projected to reach USD 407.31 billion by 2026, growing at a CAGR of 12.6%. (Source: Statista)

Swift has become the go-to language for building innovative, high-performance iOS applications. Designed by Apple, Swift provides developers with a modern, fast, and secure framework to create apps that enhance user experience and boost business growth. From startups to enterprises, businesses rely on Swift app development companies for their ability to deliver scalable, future-ready mobile solutions. Whether it’s e-commerce, healthcare, finance, or entertainment, Swift empowers developers to craft seamless applications optimized for Apple’s ecosystem. This list highlights the top Swift app development companies that bring proven expertise, creativity, and technical excellence to every iOS project.

List of the Best Best Swift Mobile App Development Agencies | Top Swift App Development Firms in the World

247 Labs Inc

4.8 (2)
247 Labs is an award-winning team of trained, certified, and experienced mobile app and web app developers, UX/UI designers, and business analysts. We follow an agile approach to consistently deliver high-quality, highly engaging application development and design projects. Our unique 6-step process guarantees client satisfaction and project success. Ask us about it, and we’ll gladly send you the details. Read More
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    Employees: 50 - 249
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    Min. Project amount: $5,000+
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    Country: Toronto, Canada
Atta Systems partners with innovative VC-backed startups and established companies to deliver secure and compliant software solutions across various sectors: Healthcare: Working with Medicai, Bold Health, Eupnoos, and others to enhance patient outcomes and streamline clinical flows. Government and Administration: Collaborating with UNICEF, The World Bank, USAID, and others to drive impactful global projects through modern technologies. Education: Supporting EdXP,… Read More
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    Employees: 10 - 49
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    Min. Project amount: $50,000+
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    Country: București, Romania

Molfar.io

5 (2)
Molfario helps you test digital business ideas beyond just creating a mobile app and sending it to the App Store. Surprisingly, you can test your idea without writing any code. Utilize photos, fake landing pages, prototypes, and MVPs to validate customer demand efficiently. There's no need to build huge systems to gauge interest and viability. Let Molfario guide you in… Read More
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    Employees: 10 - 49
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    Min. Project amount: $5,000+
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    Country: Dnipro, Ukraine
Appetizer Mobile is an award-winning digital agency offering comprehensive mobile application development, consulting, and marketing services. We support all major platforms, including Apple iOS (iPhone, iPad, Watch, Apple TV), Google Android (Phones and Tablets), HTML5, Unity, Unreal Gaming Engines, Wearables, IoT, Virtual Reality, and Augmented Reality devices. Additionally, we specialize in Apple Vision Pro, Microsoft HoloLens development, and AI/Deep Learning/Machine… Read More
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    Employees: 10 - 49
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    Min. Project amount: $50 - $99 / hr
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    Country: NY, United States
Creating the Mobile Future MOBILE EXPERTISE: If you can dream it, we can build it. Intelligent apps require brilliant design and intuitive product strategy. Dogtown Media analyzes and designs every aspect of your project to ensure it is engaging, stylish, and easy to use. mHealth: We empower people to live longer, happier, and healthier lives via mobile health apps. Our… Read More
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    Employees: 10 - 49
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    Min. Project amount: $25,000+
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    Country: CA, United States
Top US Mobile & Web App Development Agency Our award-winning firm of 30+ experts excels in delivering high-quality apps on time and within budget. From innovative startup ideas for the NFL to robust enterprise systems for industry leaders like Los Angeles Apparel, we bring your digital visions to life. Read More
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    Employees: 10 - 49
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    Min. Project amount: $10,000+
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    Country: Los Angeles, CA, United States
Tech Exactly is a boutique web app, mobile app, and custom software development company. We help companies build great digital products three times faster and at half the cost through our focused and process-oriented approach. Our clients recognize us for: - Clean Coding - Attention to Details - Solution-Oriented Mindset - Brutally Honest Consultation. Read More
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    Employees: 50 - 249
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    Min. Project amount: $1,000+
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    Country: Kolkata, India

itCraft

5 (3)
tCraft revolutionizes your digital product experience. With over a decade of expertise in designing and developing custom software, we have created more than 350 innovative digital products that enhance user experiences and make a difference. Our team of 100+ experts is dedicated to bringing your vision to life, providing support at every stage of your product's lifecycle. Read More
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    Employees: 50 - 249
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    Min. Project amount: $25,000+
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    Country: Warszawa, Poland
Tech Alchemy is an award-winning software design and development agency based in Shoreditch, London. Trusted by large organizations, brands, and ambitious startups, our products have been used by millions and received widespread critical acclaim. We are ranked as one of the world's top-rated software engineering companies. Leveraging our deep domain knowledge, we develop solutions using both traditional and emerging technologies.… Read More
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    Employees: 50 - 249
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    Min. Project amount: $25,000+
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    Country: London, United Kingdom

Fingent

5 (2)
Fingent is an award-winning, ISO 27001:2013-certified custom software development company. We specialize in delivering AI-enabled, strategic, and innovative software solutions that address our clients' most complex business challenges, providing them with lasting competitive advantages. With nearly two decades of experience, we have successfully completed over 700 projects for clients across four continents. Our global presence includes offices in the US,… Read More
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    Employees: 250 - 999
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    Min. Project amount: $25,000+
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    Country: NY, United States

** Buyer's Guide **

1.What is custom software development?

They offer custom iOS app development, UI/UX design, app migration to Swift, API integration, testing, app store deployment, and ongoing support/maintenance.

Swift app development agencies deliver a wide range of solutions that cover the entire iOS app lifecycle—from ideation to post-launch maintenance. Below are the key services:

1. Custom iOS App Development

Agencies build tailor-made applications using Swift, designed to meet unique business goals. These apps are optimized for speed, performance, and scalability across iPhones, iPads, and Apple Watch.

2. UI/UX Design

Swift agencies emphasize intuitive and visually engaging designs, ensuring seamless navigation and a consistent Apple-like user experience that drives higher engagement and retention.

3. App Migration to Swift

Many businesses still run apps built in Objective-C. Agencies provide smooth migration services to Swift, improving speed, security, and maintainability while retaining app functionality.

4. API Integration

To enhance app features, agencies integrate third-party APIs and Apple-native frameworks—covering payments, maps, analytics, push notifications, and more.

5. Testing & Quality Assurance

Comprehensive manual and automated testing ensures apps are bug-free, reliable, and compliant with Apple’s App Store guidelines.

6. App Store Deployment

Agencies handle the entire submission and approval process on the App Store, ensuring compliance with Apple’s strict publishing standards.

7. Ongoing Support & Maintenance

Top Swift firms provide continuous updates, bug fixes, and feature enhancements to keep apps optimized and aligned with new iOS versions.

2.Why should businesses choose Swift development firms for iOS apps?

Swift ensures faster performance, safety features, scalability, easy maintenance, and compatibility with Apple’s latest frameworks, making it the best choice for long-term iOS success.

Partnering with Swift development firms gives businesses a competitive edge in the iOS ecosystem. Swift offers speed, safety, and adaptability, making it the preferred choice for future-ready apps.

1. Faster Performance

Swift is optimized for high-speed execution, enabling iOS apps to run faster and more smoothly compared to Objective-C or cross-platform alternatives.

2. Built-in Safety Features

Its strong typing system and error-handling reduce crashes and vulnerabilities, improving app reliability and user trust.

3. Scalability for Growth

Swift-based apps are easily scalable, allowing businesses to expand functionalities and handle growing user bases without performance issues.

4. Easy Maintenance & Updates

Since Swift code is cleaner and easier to manage, agencies can update or add features quickly—reducing long-term maintenance costs.

5. Compatibility with Apple Ecosystem

Swift offers seamless integration with Apple’s latest frameworks (ARKit, CoreML, SwiftUI), ensuring apps remain future-proof and aligned with iOS innovations.

3.How much does it cost to hire a Swift app development agency?

Costs vary based on complexity, features, and region—ranging from $25,000 to $150,000+ for a full-featured iOS app.

The cost of hiring a Swift app development agency depends on project scope, features, design complexity, and location of the agency. Here’s a breakdown:

1. Basic iOS Apps

  • Cost: $25,000 – $50,000

  • Examples: Simple utility apps, MVPs, or apps with limited screens and core features.

2. Medium-Complexity Apps

  • Cost: $50,000 – $100,000

  • Examples: E-commerce apps, social networking apps, or apps with custom APIs and third-party integrations.

3. High-End, Full-Featured Apps

  • Cost: $100,000 – $150,000+

  • Examples: Enterprise-level apps, fintech solutions, or apps using AI, AR/VR, or advanced security features.

4. Regional Cost Differences

  • North America/Europe: $80 – $200/hour

  • Asia (India, Vietnam, Philippines): $25 – $60/hour

  • Eastern Europe: $40 – $90/hour

5. Hidden & Ongoing Costs

Beyond development, businesses should account for UI/UX design, testing, App Store publishing, ongoing maintenance, and scaling costs.

4.Which industries benefit most from Swift development firms?

Industries like fintech, healthcare, e-commerce, education, and entertainment leverage Swift to build secure, user-friendly, and high-performance mobile applications.

Swift app development firms deliver secure, scalable, and high-performance iOS apps that serve diverse industries. Some of the most impacted sectors include:

1. Fintech & Banking

  • Swift’s strong security features help build safe mobile banking, payment, and investment apps.

  • Enables integration with biometric authentication, encryption, and real-time data processing.

2. Healthcare

  • Used for telemedicine, electronic health records (EHR), patient portals, and wearable integrations.

  • HIPAA-compliant Swift apps ensure secure data sharing and remote monitoring.

3. E-commerce & Retail

  • Swift powers seamless shopping experiences with personalized product recommendations, secure payment gateways, and smooth checkout flows.

  • Supports scalability for high traffic during peak sales.

4. Education & eLearning

  • Enables creation of interactive learning apps, virtual classrooms, and gamified platforms.

  • Swift’s performance ensures real-time video streaming and engagement features.

5. Entertainment & Media

  • Swift apps deliver high-quality streaming, gaming, and AR/VR-based entertainment experiences.

  • Offers low-latency performance, crucial for music, video, and live event platforms.

⚡ In short, Swift development firms are most valuable for industries where security, performance, and seamless user experience are critical.

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