Native iOS & Android
Swift / SwiftUI and Kotlin / Compose where the platform earns it — smooth gestures, system integrations, sub-second cold start.
SwiftUI · ComposeiOS, Android and the cross-platform middle ground — with the right choice argued in writing, not picked by habit. We design for the gesture, the offline edge, the battery hit and the app store reviewer. Then we ship to both stores from one team, one cadence.
Six muscles that turn a feature checklist into an app reviewers love and users keep.
Swift / SwiftUI and Kotlin / Compose where the platform earns it — smooth gestures, system integrations, sub-second cold start.
SwiftUI · ComposeFlutter, React Native, KMP — when the trade is worth it. We'll argue the choice in writing before any code.
Flutter · RN · KMPOffline-first stores, conflict resolution, background sync. The app works on the subway, the elevator and the gate-area Wi-Fi.
offline · CRDT · queuesKeychain / Keystore, certificate pinning, biometric flows, transparent permissions. App-store privacy labels written first, not last.
keychain · pinning · biometricsFrame budget, scroll perf, GPU traces, energy profiles. Apps that don't cook the device or kill the battery.
60–120 fps · energyFastlane / EAS / Bitrise pipelines, staged rollouts, crash analytics, feature flags, in-app updates — both stores on the same cadence.
CI · staged · flagsA single team owns design, build, release and observability across iOS and Android.
Lifecycle diagram converted to TSX structure with same stages: Design → Parallel build → Shared layer → Release & ops.
One design system with explicit iOS vs. Android conventions.
API client, sync, auth, analytics shared. UI native where platform feel lives.
Same Git tag produces both store builds.
Crash, perf and analytics named the same on both.
Send us a brief, a competing app you admire, and the one platform decision you can't make. We'll come back with a platform recommendation in writing and a 12-week plan.