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Top Mobile App Development Companies in the USA

1,308 IT service providers ranked by rating, review volume and listing quality.

Mobile app development covers applications built for phones and tablets, whether native to one platform, cross-platform from a shared codebase, or a web application wrapped for the stores. All three are sold under this heading and they have materially different costs, both to build and to keep running.

The recurring surprise for buyers is that shipping is not the end of the spend. Both stores change their requirements on their own schedule, and an app that is not updated will eventually stop being accepted or stop working. Ask what the maintenance arrangement is before comparing build quotes, because a lower build price with no maintenance path is not the cheaper option.

Want your company here?

TrustList ranks more than 1,300 mobile app development companies in the USA, ordered on client reviews and profile quality, never on payment. At the top right now: HAAS/créa Corp, Azoft and Square63.

What to check before you shortlist a mobile app development company

  • Native or cross-platform, and why for your app
  • Who owns the app store accounts, the backend and the APIs
  • Support after launch, including updates for new operating system versions
  • How analytics, privacy consent and data storage are handled
  1. HAAS/créa Corp logo

    HAAS/créa Corp

    CREATIVITY, EXPERIENCE & SERVICE Since 1997

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  2. Azoft logo

    Azoft

    We develop server, mobile, and web applications that bring value to businesses all over the world.

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  3. Square63 logo

    Square63

    We specialise in Ruby on Rails, AngularJS/ReactJS, React Native and Native iOS/Android Development

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  4. Smashing Ideas logo

    Smashing Ideas

    Design and innovation for modern customer experiences

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  5. SingleMind logo

    SingleMind

    Software design and development agency in Portland, OR.

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  6. OpenSource Technologies Inc logo

    OpenSource Technologies Inc

    Web, Mobile, Digital Marketing, Cloud

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  7. Octal Digital LLC logo

    Octal Digital LLC

    Custom Website & Development - Mobile Apps - SEO

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  8. Arsum logo

    Arsum

    Experts in Execution, Product and Development

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  9. Untold Studio logo

    Untold Studio

    We Make Great Software For Great People

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  10. Tecziq Solutions logo

    Tecziq Solutions

    Strategy | Innovation | Growth

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  11. BitCot logo

    BitCot

    BitCot

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  12. Gorilla Logic LLC. logo

    Gorilla Logic LLC.

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  13. KWALL logo

    KWALL

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  14. Modern Tribe Inc. logo

    Modern Tribe Inc.

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  15. Mobomo logo

    Mobomo

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  16. Neuralab Inc. logo

    Neuralab Inc.

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  17. Web4You Inc. logo

    Web4You Inc.

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  18. WebDevStudios logo

    WebDevStudios

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  19. Rave Digital logo

    Rave Digital

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  20. Dom & Tom logo

    Dom & Tom

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  21. Command C logo

    Command C

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  22. Orbit Media Studios logo

    Orbit Media Studios

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  23. O8 logo

    O8

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  24. SemiDot InfoTech logo

    SemiDot InfoTech

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For vendors

Want to see your company here?

The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.

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  • A Sponsored card above the Mobile App Development ranked list
  • Marked Sponsored, and it never changes the order
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How many mobile app development companies are there in the USA?

1,308 companies on TrustList offer mobile app development and are based in the USA. That makes the USA the largest mobile app development market we rank.

How is this ranking worked out?

Each firm's position comes from its client reviews and its profile, blended into one score:

  • Rating, smoothed so a single five-star review cannot outrank a firm with hundreds of good ones
  • Review volume, with diminishing returns
  • Profile completeness: the details a buyer needs to judge the firm
  • Earned trust: verification and awards, as a small lift

No firm can pay for a position. Sponsored listings are labelled and shown apart from this list. How rankings work

What else do firms in the USA offer?

We also rank web development (2,396), web design (1,857) and e-commerce development (1,095) in the USA.

Mobile App Development in other countries

Other services in the USA

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