Get Proton Authenticator for mobile and desktop

Get a secure open-source 2FA app for all your devices. No Proton Account required.

Download mobile apps

Secure your accounts with Proton Authenticator from the convenience of your mobile device.

iOS App

Download the Proton Authenticator app for iOS to get 2FA codes and backups on your iPhone or iPad.

Android App

Download the Proton Authenticator app for Android to get 2FA codes and backups on your Android device.

Download desktop apps

Get the full Proton Authenticator experience from the convenience of your mobile device.

Windows App

Download the Proton Authenticator app for Windows to get 2FA codes and backups on your PC.

macOS App

Download the Proton Authenticator app for macOS to get 2FA codes and backups on your Mac.

Linux App

Download the Proton Authenticator app for Linux to get 2FA codes and backups on your Linux device.

Download a 2FA app that puts you in control

Back up your codes locally or in the cloud — it’s your choice.
Sync codes to access them on any device with end-to-end encryption.
Use offline mode to access codes anywhere, anytime.
Ditch mainstream 2FA apps that don’t respect your privacy.