Hi, you could try out @capacitor-firebase/authentication plugin
It use Firebase Authentication under the hood, and support many social platform like Apple, Google, Facebook, Github, etc.
I used it for Phone Number Sign-In about a year now, and it works really nice for me.
And if this plugin end up doesn’t work for you, here is a awesome list for capactior plugins:
It might be one or many plugins on the list that suit your need 