> For the complete documentation index, see [llms.txt](https://fusionauth.io/docs/llms.txt)

# App | FusionAuth Docs

Explore step-by-step application quickstart guides from FusionAuth to seamlessly integrate authentication into your application.

# App

[Edit on GitHub](https://github.com/FusionAuth/fusionauth-site/blob/main/astro/src/content/docs/get-started/quickstarts/app/index.mdx)

[View Markdown](https://fusionauth.io/docs/get-started/quickstarts/app.md)

[Android (Java) with AppAuth](https://fusionauth.io/docs/get-started/quickstarts/app/quickstart-java-android-native.md)[Android (Kotlin) with FusionAuth SDK](https://fusionauth.io/docs/get-started/quickstarts/app/quickstart-kotlin-android-native.md)[Flutter](https://fusionauth.io/docs/get-started/quickstarts/app/quickstart-flutter-native.md)[iOS (Swift) with AppAuth](https://fusionauth.io/docs/get-started/quickstarts/app/quickstart-swift-ios-native-appauth.md)[iOS (Swift) with FusionAuth SDK](https://fusionauth.io/docs/get-started/quickstarts/app/quickstart-swift-ios-native.md)[React Native](https://fusionauth.io/docs/get-started/quickstarts/app/quickstart-react-native.md)