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 moreWhat 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.
Read moreIs OTP free in Firebase?
From the use of firebase OTP verification using a phone number is FREE .
Read moreIs Firebase Auth expensive?
In Firebase’s case you will probably be on the free tier (as long as you are not guzzling data) up to 100k users . Think about this for a moment. You will have 100k users on your app. Even if you only add advertising you should be able to make the $25 a month to cover the Firebase FLAME costs.
Read moreIs Firebase email Auth free?
Auth is free . Firebase Authentication service is free in all plans.
Read moreHow do I get Firebase Auth?
Get Started with Firebase Authentication on Websites
Read moreWhat is Firebase Auth?
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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