The 8 best iPhone app design agencies

Clay's origins are in mobile UX, and its interface work is held to a high craft standard across the Apple ecosystem. It pairs iOS product design with the brand system around it, from one team, which is rare among mobile specialists.

iOS app and UI/UX design, product strategy, research, design systems, brand, motion.

Product and interface work for Google, Amazon, Slack, Coinbase, Snapchat, Sony, and Stripe.

Teams that want a polished iOS app and a brand system scoped together.

MetaLab's interface work defined how a generation of iOS apps look and feel, with an obsessive focus on clarity and usability. It remains the reference name for premium Apple-ecosystem product design.

iOS product design, UI/UX, prototyping, engineering, design systems.

Interface work for Slack, Coinbase, and Uber Eats, plus product work for Apple, Disney, and Google.

Well-funded teams that want a premium consumer iOS app.

ustwo's iOS work spans consumer, medical, and enterprise apps, and Monument Valley remains one of the most celebrated iOS titles ever built. It pairs human-centred design with genuine native engineering.

iOS product design, UX research, UI, native engineering, product strategy.

Monument Valley, built in house, plus iOS work for Google, Peloton, Samsung, and HSBC.

Ambitious iOS apps that need design and native engineering in equal measure.

A New York studio focused on native iOS, respected in the developer community for code architecture quality and Swift craftsmanship. Where broader studios treat iOS as one platform among several, Lickability treats it as the whole discipline.

Native iOS design and development, Swift and SwiftUI, product strategy, code architecture.

Native iOS apps for media, consumer, and technology clients, with a reputation built on engineering quality.

Teams that want a genuinely iOS-first partner obsessed with native craft.

With more than 25 years building large-scale digital products, including mobile operating systems, Fantasy brings a bold, emotion-driven sensibility to iOS work. Strong when an Apple-ecosystem app needs real visual impact.

iOS product design, UX, AI experiences, interaction design, brand.

Product work for Google, Netflix, X, Spotify, Samsung, and 23andMe.

Teams building high-visibility or AI-heavy iOS apps that need standout design.

STRV designs and builds premium iOS products with Swift engineering under the same roof, working with iconic brands and well-funded startups. It leans premium and is known for clean, scalable native code alongside the design.

iOS UI/UX design, native Swift development, AI development, product strategy.

Product work for Porsche, Tinder, Barnes & Noble, The Athletic, and Barry's.

Teams that want iOS design and serious native engineering from one partner.

Work & Co prototypes in code and ships production iOS apps used by millions, with senior people hands-on through delivery. Its iOS work sits where performance and reliability are engineering problems.

iOS product design, UX, native and cross-platform development, prototyping, strategy.

Digital products for Apple, Google, Nike, IKEA, and Mailchimp.

Organisations that need a production-grade iOS app, not a concept.

A small, fully remote senior team designing apps for startups and growth-stage companies, capping engagements so clients get senior attention. A lean option for teams that want considered iOS work without agency overhead.

iOS product and app design, UI/UX, design strategy.

No public named-client list, so this is one to assess directly through the portfolio.

Lean tech teams that want senior iOS design without overhead.