We Build Apps People Love
From idea to launch, App Upp is your trusted mobile development partner. We craft beautiful, high-performance iOS and Android apps that delight users and grow businesses.
Founded in 2009 by Dave Emory and Jeff Yellen
Everything You Need to Build a Great App
From strategy to launch, we cover every step of the mobile app development journey.
iOS Development
Native Swift apps built for performance, elegance, and the full Apple ecosystem.
Android Development
Kotlin-powered apps that shine across the full range of Android devices.
Cross-Platform
React Native and Flutter apps that run beautifully on both iOS and Android from a single codebase.
UX/UI Design
Intuitive, beautiful interfaces designed around your users — not just your brand.
MVP Development
Launch fast, learn faster. We help startups validate ideas with a polished MVP in weeks.
How We Work
A clear, collaborative process that keeps you in the loop from day one.
Discover
We dig deep into your goals, users, and market to build a rock-solid foundation for your app.
Design
Our designers craft intuitive wireframes and pixel-perfect UI that users will love to interact with.
Build
Our engineers bring the design to life with clean, scalable code and rigorous quality assurance.
Launch
We handle App Store submission, deployment, and post-launch support so you can focus on growth.
Why Teams Choose App Upp
We're not just developers — we're partners who care about your success.
Transparent Communication
Weekly updates, clear timelines, and a dedicated project manager who's always reachable.
On-Time Delivery
We respect your deadlines. Our agile process keeps projects on track without sacrificing quality.
Post-Launch Support
We don't disappear after launch. Ongoing maintenance, updates, and feature additions are part of the deal.
Proven Track Record
Our apps span industries — from fintech to fitness, healthcare to hospitality.
Ready to Build Something Amazing?
Let's turn your app idea into reality. Get a free consultation today.