Firebase Authentication Tutorial for iOS
Developing a custom authentication will consume a more time and you also need to manage server side coding as well you need to do spend time on testing.
So to avoid all hurdles, Firebase is providing a better authentication system which you can integrate in your application easily.
If you are don’t know about Firebase than it is a backend service provider with easier integration of sdk and ready-to-use UI Elements for user authentication. Firebase supports authentication using Email, Phone Numbers or even supports social media login using Facebook, Twitter and Google.
