What does Firebase auth () do?

Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app . It supports authentication using passwords, phone numbers, popular federated identity providers like Google, Facebook and Twitter, and more.

Read more

What is Firebase Auth in Flutter?

Firebase Auth provides many methods and utilities for enabling you to integrate secure authentication into your new or existing Flutter application . In many cases, you will need to know about the authentication state of your user, such as whether they’re logged in or logged out.

Read more