Award-winning digital transformation agency building mobile apps for startups and Fortune 500 companies including Warby Parker and The New York Times.
The Top 10
The absolute best in mobile app development
Award-winning digital product agency with US presence in New York creating mobile apps and digital products for global clients.
Boutique software studio crafting award-winning iOS apps for clients including The New Yorker, Tumblr, and Clubhouse.
Silicon Valley-based digital experience agency with 600 professionals creating award-winning apps for PayPal, L'Oréal, and American Express.
Global technology partner with 30+ years experience delivering custom software and mobile solutions for enterprises across industries.
IT consulting and software development company with 22 years in eCommerce, building enterprise solutions for B2B and B2C
San Francisco-based digital product agency creating apps for unicorn startups and Fortune 500 companies with focus on product excellence.
Award-winning mobile app development agency creating impactful applications for charity, climate change, and sustainability sectors.
Leading mobile app development company with 1200+ professionals delivering digital transformation for Fortune 500 companies globally.
San Francisco-based mobile app development company creating iOS, Android, and cross-platform apps since 2008 for global brands.
Top 10 Mobile App Development Agencies — FAQ
Common questions about the best mobile app development agencies.
Who is the #1 mobile app development agency in the USA in 2026?
As of 2026, the top-ranked mobile app development agency in the USA on AgencyCluster is Fueled, with an AgencyCluster Score of 96/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.
How were the top 10 mobile app development agencies in the USA selected?
This list features 10 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in mobile app development. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 21+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a mobile app development agency from this list?
Download and use apps they've built — check ratings, UX quality, and whether they're still maintained. Ask whether they recommend native (Swift/Kotlin) or cross-platform (React Native/Flutter) for your use case, and why. Ask about their app store submission process and post-launch update strategy.
How much do the top mobile app development agencies typically charge?
A single-platform mobile app costs $40K–$200K. Cross-platform apps built with React Native or Flutter range from $50K–$250K. Apps with complex backends (real-time, payments, messaging) can exceed $300K.
Trusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
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