Alternative apps to Proton Authenticator:
Proton Authenticator Alternatives
Get a secure open-source 2FA app for all your devices. No Proton Account required.
Two-factor authentication (2FA) adds a second layer of login security to your accounts, in addition to your password. Even if hackers know your password, they can't access your account without this second code. An authenticator app generates one-time codes right on your device - safer and quicker than having codes sent by email or SMS. Read more.