What is Firebase Auth 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.

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What is Auth0 used for?

Auth0 is a flexible, drop-in solution to add authentication and authorization services to your applications . Your team and organization can avoid the cost, time, and risk that come with building your own solution to authenticate and authorize users.

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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.

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