Seattle iOS Developer

At Leapfrog, our iOS developers create amazing apps for iPhone and all iOS devices.

We are a mobile technology services company, headquartered in Seattle. We have delivered dozens of world-class apps for iPhone and iPad devices for our customers ranging from early stage startups, growth stage companies to large corporations like Microsoft and MacMillan.

We partner with you to build successful mobile technology solutions that help you grow your business, increase your return on investment, and always stay ahead in the competition.

We provide full-cycle iPhone and iOS app development services, whether it’s mobile strategy, mobile UI/UX design, or mobile development - we got you covered. Whether you need full development team or just extra expertise to join your existing team, Leapfrog plugs in and works how you want to.


We build beautiful iPhone apps and APIs, both native and hybrid.

Our app development services include:

  • Native iOS and iPhone app development – Objective-C, Swift, React Native
  • iPhone app design – Easy to use, great looking app with wonderful user experience
  • Cross-platform iPhone and iOS app development – PhoneGap, JQuery Mobile
  • App integration – Payment processors, CRM, CMS, Social Media and any 3rd party integration
  • IoT app development
  • Converting an existing Android app into iOS, iPhone app and vice-versa

Featured Project

Next Steps

Have questions about mobile technology, platform, process, pricing? Our app solution experts will be glad to help you!

Let us build something great together!

Start a project