A user who wants to register inside your apps to start using your services.
Depends on the business nature, you may want to have a different registration system for your users to register. We have the below list of registrations available in the app
Facebook Registration: An user can use their Facebook login to sign-in/ sign-up
Google Registration: An user can use their Google login to sign-in/ sign-up
Native email registration: An user can just any email which is not connected to 3rd party logins to sign-in/ sign-up
Phone number-based registration: An user can sign-in/ sign-up using their phone number with OTP verification in their first registration. In the subsequent sign-in, the verified phone number and password can be used to sign-in.