TypeScript + Expo + New Architecture — ship iOS and Android simultaneously with a single React Native team, OTA updates, and 70% shared codebase.
The JSI + Fabric + TurboModules new architecture unlocks native-level performance but requires careful migration. We set it up correctly from the start.
Cold starts and CI build times ballooning are common. We configure Metro bundler, Hermes engine, and Gradle optimally to keep builds under 8 minutes.
React Navigation v7 with TypeScript-typed screens and deep linking requires deliberate setup. Poor navigation architecture is the #1 source of regressions.
When no pub package exists, we write custom native modules in Swift/Kotlin — bridged to JS via JSI for synchronous, performant access.
RN major version upgrades are notorious for breaking changes. We maintain upgrade logs and use the RN Upgrade Helper to manage transitions cleanly.
Expo EAS Updates enable instant JS patches without App Store review. We design the update topology so critical fixes reach users in minutes, not days.
We build on the New React Native Architecture from day one — JSI for synchronous native calls, Fabric for concurrent UI rendering, and Hermes for faster startup.
Single TypeScript codebase deploys to both stores at the same time with platform-specific UX where it matters.
Push JS bundle updates to all users instantly — critical fixes live in minutes without App Store review delays.
React Native Reanimated 3 runs animations on the UI thread — scroll effects, gestures, and transitions at native speed.
MMKV synchronous key-value store for blazing-fast persistent state, combined with WatermelonDB for heavy offline datasets.
Custom Swift/Kotlin modules bridged via JSI for any feature not covered by the Expo/npm ecosystem.
100% TypeScript coverage with strict mode — runtime type validation via Zod at API boundaries eliminates an entire class of bugs.
Expo Notifications (managed) or react-native-notifications for full APNs/FCM control, including critical alerts and notification actions.
URL scheme + Universal Links (iOS) + App Links (Android) for seamless web-to-app navigation and campaign attribution.
Expo vs bare, state management, navigation library, and native module audit — decided in week one, not discovered mid-build.
Figma designs with a component library that maps directly to React Native StyleSheet tokens for fast, consistent implementation.
2-week sprints with EAS builds to TestFlight and Play Internal Track. OTA updates for rapid iteration between sprints.
Production EAS submission to both stores simultaneously plus OTA update channels for hotfixes post-launch.
A telemedicine startup needed iOS and Android apps for doctor consultations, prescription management, and lab reports. Native quotes ranged from ₹50–80L over 6 months. We delivered both stores in 10 weeks with React Native + Expo.
HIPAA-sensitive data, video consultations, prescription PDF generation, and lab report parsing — all needed in one app, fast.
Expo SDK + WebRTC for video, react-native-pdf for prescription generation, OTA updates for rapid regulatory compliance fixes.
Both stores live in 10 weeks. OTA updates pushed weekly. Startup closed ₹8Cr seed round 3 months after launch.
● Success Stories
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