Native iOS & Android app development in Swift and Kotlin
Senior engineers building native iOS apps in Swift and Android apps in Kotlin — from first concept through App Store and Google Play release, and every update after. Our six-year partnership with Yuno took its apps past five million downloads.
What we build
- Consumer Apps
- Enterprise Apps
- IoT Companion Apps
- Subscriptions & In-App Purchases
- Audio Playback
- Push Notifications
Technologies
- Swift
- Kotlin
- Node.js
- Firebase
- GraphQL
Quality
- Unit & Integration Tests
- UI Automation
- Real-Device Testing
Proof
- Yuno: 5M+ downloads
- Happiest Baby: iOS + IoT
- 6-year partnership
Built for each platform
Native apps get the full performance and feel of each platform. We build iOS apps in Swift and Android apps in Kotlin, together with the backends, subscriptions and integrations around them — consumer apps, enterprise solutions and IoT integrations, from first concept through App Store approval and every update after.
For Yuno, we built separate native iOS and Android apps so each would feel truly native to its ecosystem, then stayed for six years of continuous development while the product grew past five million downloads. Kindred Group (32Red) trusted us with an App Store launch in six months, and our founders previously built mobile products at Bosch and Leica Geosystems.
- Two truly native apps: For Yuno, separate native iOS (Swift) and Android (Kotlin) applications, so each feels at home on its platform.
- Audio that keeps playing: A custom playback system with background play, offline downloads, variable playback speeds and streaming for 400+ professional audio stories.
- Subscriptions across both stores: In-app purchases on the Apple App Store and Google Play, with subscription management, trial periods and cross-platform payment flows.
- Hardware when you need it: Native iOS integration with connected devices over Bluetooth Low Energy, WiFi and NFC, as in the Happiest Baby app.
- Built for daily use: A gamification system with daily streaks, knowledge points, levels, leagues, missions and badges that drives daily active usage.
- Release is the start: Store review, release management and monitoring — then we measure, learn and increment. Most of our partnerships run for years, not launches.
Six years with Yuno
“One goal: App Store in six months. They delivered on time, the release grew our customer base significantly, and the app ran with zero downtime.”
Danny WilsonCasino Growth Manager, Kindred Group (32Red)
Native app questions, answered.
Why build native instead of cross-platform?
Native Swift and Kotlin apps get the full performance and feel of each platform — for Yuno we built separate iOS and Android apps so each would feel truly native to its ecosystem. When one shared codebase fits your product better, we build with Flutter instead: we pick the right tool for your product, not our preference.
Do you handle App Store and Google Play releases?
Yes. Store review, release management and monitoring are part of how we ship, followed by ongoing iteration — for Yuno that has meant six years of continuous development.
Can you join an existing app team?
Yes. We build apps from scratch, like the Happiest Baby iOS app, and we embed senior engineers into existing teams for years at a time.
How do you keep quality high release after release?
QA is baked into every sprint, never bolted on: automated testing plus thorough manual passes on real devices, covering edge cases, accessibility and performance under load.