React Native app takeovers: finish an Expo or bare React Native app

React Native apps share most of their code between iOS and Android, written in JavaScript or TypeScript with React. Many projects use Expo, building through EAS Build and shipping JavaScript fixes with EAS Update; others are bare projects with hand-managed ios and android folders, CocoaPods and Gradle. Either way the Metro bundler serves the code during development.

What a stalled React Native app looks like

Version drift is the classic problem. An app left alone for a while may sit several React Native releases behind, with native modules that do not support the New Architecture, a Podfile that no longer resolves and an Android build blocked by Gradle plugin changes. Navigation libraries and state management may have been swapped midway, leaving two patterns in the codebase. Push notifications and deep links are frequently half configured.

What to tell developers

Say whether the app uses Expo or is bare, which React Native version it is on, and whether it has been published. List the native features it needs, such as camera, payments, maps or background location. Share the repository and any EAS project through your own Expo organisation. The dependency freshness check shows how far behind the packages are, which shapes the upgrade estimate.

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Frequently asked questions

What is the difference between an Expo app and a bare React Native app?

Expo projects use Expo's tooling to manage native configuration and builds, while bare projects keep the full ios and android folders under direct control. Many apps mix the two through prebuild. Your package.json and app config files show which you have.

Can JavaScript fixes be shipped without a store review?

Over-the-air tools such as EAS Update can deliver JavaScript and asset changes to installed apps. Changes to native code still need a new build and store submission, and store rules on what may change remotely still apply.