# Frontegg Flutter SDK The Frontegg Flutter SDK enables robust, secure authentication in cross-platform mobile apps — including user sign-ups, social logins, MFA, passkeys, and step-up authentication. Built for Flutter developers, it integrates natively with both iOS and Android, supporting advanced use cases such as multi-tenant environments and biometric login. This SDK is part of Frontegg’s end-to-end identity infrastructure, helping modern SaaS teams deliver enterprise-grade authentication with minimal setup. ## Get Started - **[Integration Guide](https://frontegg.github.io/frontegg-flutter/#/)** Step-by-step setup instructions for iOS and Android with Flutter. - **[Sample Project](https://flutter-guide.frontegg.com/#/docs/usage)** Explore a working Flutter app that implements Frontegg login and more. - **[GitHub Repository](https://github.com/frontegg/frontegg-flutter)** View the source code, file issues, or contribute. - **[pub.dev Package](https://pub.dev/packages/frontegg_flutter)** Install and manage the SDK via Dart’s package registry.