Adding members to your Firebase project allows you to collaborate across your team . You can assign each member a role based on the level of access the member needs for your project. Project members are not limited to just individual users: domains, groups, and service accounts can all be members of a Firebase project.
Read moreWhat is a user in Firebase?
The Firebase user object represents a user account that has signed up for an app in your project . Apps usually have many registered users, and every app in a project shares a user database.
Read moreHow many users can register in Firebase?
Accounts per project Account typeLimitAnonymous user accounts100 millionRegistered user accountsUnlimitedFirebase Authentication Limits firebase.google.com › docs › auth › limits
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