Expo

React Native framework and cloud servicesOpen source· verified Sep 2026

The framework layer on top of React Native: an SDK of device APIs, file-based routing with Expo Router, and EAS cloud services that build, submit, and update apps without local Xcode or Android Studio setup.

Official site

Reach for it when

Starting a React Native app
Cloud builds and over-the-air JavaScript updates

Worth knowing

The SDK is open source; EAS build and update services have a free tier and paid plans.

In stack playbooks

React Native + Expo

Device APIs: camera, notifications, location

More in Languages & runtimes

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