Proton just launched a 2FA app on all major platforms. It’s a timely option for users searching for a replacement as Microsoft changes its own app.

Functionally, Proton Authenticator isn't that different than other popular apps like Google Authenticator and Microsoft Authenticator or alternatives like Duo and Authy. You can add time-based one-time passwords (TOTPs) manually or by scanning a QR code as well as import some or all of your existing codes from authenticator apps that offer this feature (Google does,