Download Proton Authenticator (f-droid version) APKs for Android

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What's new in Proton Authenticator (f-droid version) 1.3.7

New in version 1.3.7

## 1.3.7 (2026-03-27)

### Fixes :bug:

- Fix QR code scanning.
- Fix snackbar message shown multiple times.
- Fix item creation when account key is changed.

### Other

- Improve global performance if there are a lot of TOTP items.
- Translation updates.

About Proton Authenticator (f-droid version) 1.3.7

Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.

Proton Authenticator is open-source, end-to-end encrypted, and backed by Swiss privacy laws. It’s the safest way to generate and store your one-time passwords (TOTP) for 2FA Login.

Why Proton Authenticator?

- Free to use: No Proton account required, ad-free.
- Offline support, on mobile and desktop apps
- Sync your 2FA codes to all your devices with end-to-end encryption.
- Enable automatic backups for peace of mind
- Easily import from other 2FA apps, or export from Proton Authenticator.
- Protect your account with biometrics or a PIN code.
- Open-source transparency, verifiable code.
- Protected by Switzerland’s privacy laws.

Trusted by millions. Built by Proton.

Take control of your digital security today.