Visit the Construct Firebase Homepage to know more: 

www.constructfirebase.com

• Phone Auth support on Mobile (Cordova)- Also allows Auto retrieve OTP. This means after the mobile device receives an OTP, the Auto retrieve function will automatically submit OTP and get the user signed in, without having the user to type the OTP.
• OAuth (Sign in with Google, Facebook, etc.) support on Mobile (Cordova)
• Persistence- Specify whether the user remains signed in or not after closing the app
• Anonymous Auth- Visit the app as a Guest User
• Link Auth Providers- Join two Auth accounts, can also be used with an anonymous account to convert it into a permanent account
• Work with User Auth Credentials
• Manage User Details- Phone number, Account Creation Time, Last Signed In Time, User Credentials, Auth Provider list

NOTE- Firebase BASIC Plugin Pack must be purchased before this plugin can be used

FIREBASE PLUGIN LINKS

NOTE: BASIC Pack is a necessity and it must be purchased before any of the "PRO" plugins.