The Firebase Kotlin SDK is a Kotlin-first SDK for Firebase. It's API is similar to the Firebase Android SDK Kotlin Extensions but also supports multiplatform projects, enabling you to use Firebase directly from your common source targeting iOS, Android or JS.
Artifacts using Firebase Kotlin SDK (12)
7.Auth KMP
com.mrljdx » auth-kmp-android MIT
Kotlin Multiplatform library for firebase auth on both Android/iOS.
Last Release on Oct 20, 2025
Composable Kotlin Multiplatform authentication library with Firebase defaults and replaceable auth providers.
Last Release on Aug 31, 2026