Raivo Authenticator is described as 'Native open-source app for iOS and macOS generates time-based one-time passwords, supports secure iCloud sync, FaceID unlock, QR scanning, and encrypted backup' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to Raivo Authenticator for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Linux apps. The best Raivo Authenticator alternative is Bitwarden, which is both free and Open Source. Other great apps like Raivo Authenticator are Aegis Authenticator, Ente Auth, 2FA Authenticator (2FAS) and Authy.