Proton Authenticator

Proton Authenticator

Proton AG
★★★★★ 4.8 Productivity v1.3.7 100,000+
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Device Configuration

Split APKs Installation Guide

Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.

1. Download Split APKs Installer (SAI) from Google Play Store.
2. Download the app archive (.apks) using the download sources listed above.
3. Open SAI, click "Install APKs", choose the downloaded archive, and click Install.

Related Applications

Version
1.3.7
Downloads
100,000+
Updated
Mar 30, 2026
Developer
Proton AG
Category
Productivity
Content Rating
Everyone
Package
proton.android.authenticator
Platform
Android
ScreenshotScreenshotScreenshotScreenshotScreenshotScreenshot

What's New

Fixes:
- Fix QR code scanning.
- Fix snackbar message shown multiple times.
- Item creation fixes.

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

About this app

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.

How to Download Proton Authenticator APK

  1. Enter the package name proton.android.authenticator on the APK Downloader homepage.
  2. Select your device architecture (ARM64 recommended for modern devices).
  3. Click Download to get the merged APK file.
  4. Transfer and install the APK on your Android device.
  5. Keep Updated: Visit APK Downloader regularly to search for and download the latest secure versions of your favorite apps.

Security & Signature Verification

This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.

Camera Special Access
  • take pictures and videos
Other Basic Access
  • view network connections
  • full network access
  • run at startup
  • prevent device from sleeping