# Development builds and React Native Firebase library

This project uses Firebase JS SDK, which doesn't support all services (such as Crashlytics, Dynamic Links, and Analytics). However, you can use the `react-native-firebase` library in an Expo project by [creating a development build](https://docs.expo.dev/develop/development-builds/introduction/).

Both of these libraries can satisfy different project requirements. To learn about the differences between using Firebase JS SDK and React Native Firebase library when building your app with Expo, see the following sections from Expo's official documentation:

- [When to use Firebase JS SDK](https://docs.expo.dev/guides/using-firebase/#when-to-use-firebase-js-sdk)
- [When to use React Native Firebase](https://docs.expo.dev/guides/using-firebase/#when-to-use-react-native-firebase)

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