Proton Authenticator is the new 2FA app that is completely free and open-source. It doesn't serve you ads like the competition.

Looking for a free two-factor authentication app that works across platforms? Proton Authenticator offers broad import capabilities, iCloud sync, and thoughtful security features from a company you ...

If you’re a Microsoft Authenticator user, you’ve probably received at least one notice that the app’s password management features are no longer usable and that your stored passwords will be ...