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5 Best Authentication Packages for Flutter in 2023

One of the most important aspects of any app is authentication or verifying that users are who they say they are. There are a lot of different authentication packages available for Flutter, each with its own advantages and disadvantages. In this article, we’ll take a look at five of the best authentication packages for Flutter.

When developers are choosing an OAuth service for account management, they need to consider a few things.

  • First, they need to decide what type of authentication they need. There are three main types of authentication: password-based, token-based, and multi-factor.
  • Second, they need to decide which OAuth service is best for their needs. Each service has its own strengths and weaknesses.
  • And finally, they need to decide how they want to handle authentication in their app. There are a few different ways to handle authentication: using an embedded OAuth provider, using a library, or writing your own OAuth provider.

5 Best Authentication Packages for Flutter


Google Sign-In is a secure authentication system for signing in with a Google account on Android and iOS. The Plugin uses the PLAID API to speed up sign-in time.

GoogleSignIn _googleSignIn = GoogleSignIn(
  scopes: [


If you’re looking for a way to easily add authentication to your Flutter app, look no further than the Firebase Auth plugin. This plugin makes it easy to authenticate users using passwords, phone numbers, and identity providers like Google, Facebook, and Twitter. Plus, since it’s built on top of Firebase, you can rest assured that your data will be securely stored.


Whether you’re building a new app or want to add authentication to an existing one, http_auth is a great solution. It’s easy to use and configure, and it supports both Basic and Digest authentication methods. Plus, it autodetects the method so you don’t have to worry about configuration errors.


With several lines of codes, anyone with permission can easily register- no long forms, no passwords to remember. flutter_facebook_auth also gathers user information like profile pictures and name automatically as part of the login process.

You don’t need to worry about asking for permissions or handling errors, it’s all done for you. Plus, with web support included, you can easily add a Facebook login to your app or website without much coding.


FlutterLogin is a widget that allows users to sign-in or sign up for your app with many cool animation effects. It’s easy to use and demonstrates the capabilities of the Flutter framework. FlutterLogin is perfect for any app that needs a login or sign-up screen.

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