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Stacklane

React Native, where one codebase earns its place, native-feeling moments where they matter.

React Native works when the product is form-driven, the team is small, and the cross-platform discount actually pays for the rough edges. We build React Native apps with Expo + EAS so the release pipeline doesn't fight the platform, and reach for native modules in the few places where the cross-platform abstraction breaks down.

What we build

  • Expo + EAS for the release pipeline

    Expo SDK for the bulk of the app; EAS Build for native builds without a Mac on every developer's desk; EAS Update for over-the-air JavaScript updates. The release cycle is comparable to a web app.

  • Reanimated for the moments that need to feel native

    The animations users actually feel (scroll-driven, gesture-driven, transitions) run on Reanimated so they don't hitch on the JS thread. Native-feeling motion where the platform expects it.

  • Native modules when the cross-platform abstraction breaks

    Camera, BLE, deep platform integrations, performance-critical surfaces, written native (Kotlin / Swift) and bridged. We don't pretend React Native covers everything; we bridge cleanly where it doesn't.

  • TypeScript end-to-end against the same backend

    Same type-generated client as the web app and the native iOS app. The mobile team stays in TypeScript without inventing a separate API contract.

  • Per-platform UI where it earns it

    Most screens use Platform-aware components from a small primitives library. The places where iOS and Android diverge (navigation patterns, settings affordances) branch cleanly. We don't write 'lowest-common-denominator' UI.

  • Real-device testing via EAS + manual matrix

    EAS Build outputs run on internal test devices (iOS + Android). The test matrix includes lower-spec Androids and older iPhones, the devices users actually have, not the latest Pixel and a max-spec iPhone.

Where this fits

  1. You're shipping a product that has 70% identical features on iOS and Android, and the discount of one codebase pays.

  2. Your team has React engineers but not separate iOS and Android specialists, and React Native is the bridge.

  3. Your current React Native app is on bare React Native (not Expo) and the maintenance overhead is real; the move to Expo is a quarter of pain that buys two years of velocity.

Tech stack

  • React Native
  • Expo
  • TypeScript
  • Reanimated
  • EAS

Want this for your team?

30 minutes to scope what you need. No pitch deck, no obligation. We tell you straight whether Stacklane fits.

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