Mobile Apps That Users Actually Love
We design and build iOS and Android apps that solve real problems, load instantly, and keep users coming back.
What We Deliver
Mobile is no longer optional — it's where your users live. Whether you're launching a consumer product, building a B2B tool, or adding a mobile layer to an existing platform, Atsap has the engineering depth to deliver. We build native iOS and Android apps as well as cross-platform solutions using React Native, giving you the best combination of performance and development efficiency. We've shipped apps in fintech, media, sports, and consumer goods — and we know what it takes to survive App Store review and earn 5-star ratings.
Deliverables
- iOS app development (Swift / React Native)
- Android app development (Kotlin / React Native)
- Cross-platform development with React Native
- UI/UX design and prototyping
- Backend API development and integration
- Push notification systems
- In-app purchases and payment processing
- App Store and Google Play submission
- Analytics and crash reporting setup
- Post-launch maintenance and updates
Our Process
Product Definition
We define user personas, core features, and a prioritized MVP scope to get you to market quickly without sacrificing quality.
UX Design
We create intuitive user flows, wireframes, and high-fidelity mockups — validated against platform design guidelines (HIG for iOS, Material for Android).
Engineering
We build in sprints, giving you working software to test at every stage. No black boxes, no surprises at the finish line.
QA & Beta Testing
We test on real devices, run performance profiling, and conduct beta programs via TestFlight and Firebase App Distribution.
App Store Launch
We handle submission, App Store Optimization (ASO), and post-launch monitoring — then iterate based on real user data.
What Sets Us Apart
Real Devices, Real Testing
We test on actual iOS and Android hardware across multiple OS versions — not just simulators — before anything ships.
App Store Optimization
We write keyword-rich App Store listings that improve discoverability and conversion from store page to download.
Built to Scale
Our backend architectures are designed to handle growth, from your first 100 users to your first 100,000.
Full Source Ownership
You own 100% of the codebase. No vendor lock-in, no licensing fees, no surprises.
Common Questions
Ready to Get Started?
Tell us about your project and we'll put together a tailored proposal — no obligation, no sales pressure.