# Proton Authenticator

> Secure, end-to-end encrypted, open source, and available on every device

Canonical page: [https://chrome-stats.com/d/proton.android.authenticator](https://chrome-stats.com/d/proton.android.authenticator)

## Overview

- **ID:** `proton.android.authenticator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Proton AG
- **Category:** PRODUCTIVITY
- **Downloads:** 515,823
- **Rating:** 4.84 / 5 (14,097 ratings)
- **Version:** 1.3.9
- **Last updated:** 2026-07-24
- **First published:** 2025-07-28
- **Publisher country:** CH
- **Size:** 91 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=proton.android.authenticator)
- **Website:** [https://proton.me/](https://proton.me/)
- **Privacy policy:** [https://proton.me/legal/privacy](https://proton.me/legal/privacy)

## Description

Protect your accounts with Proton Authenticator, a private, open-source two-factor authentication (2FA) app from the makers of Proton Mail and Proton VPN. It generates and stores TOTP codes offline, syncs securely across phones and desktops with end-to-end encryption, and is backed by Switzerland’s strong privacy laws.

Proton Authenticator is free and ad-free (no Proton account required). Key features include encrypted cross-device sync, automatic backups, easy import/export from other 2FA apps, biometric or PIN protection, and verifiable open-source code. Trusted by millions, it’s a simple, privacy-first way to take control of your digital security.

## Rankings

- #98,193 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.WAKE_LOCK`
- `proton.android.authenticator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Reviews are predominantly positive, highlighting Proton Authenticator’s strong privacy and security stance, polished UI, and ease of use. Users value its cross-platform reliability and built-in backup/import/export features, making it a favorable alternative to Google/Microsoft authenticators. The Proton ecosystem (VPN and password manager) reinforces trust. No widespread drawbacks are evident across multiple reviews; a few niche concerns exist but are not repeatedly reported.

### Pros

- Privacy-focused, Proton-brand security and strong trust in the Proton ecosystem
- Excellent UI with intuitive use and good import/export options
- Cross-platform reliability; does one job well as a 2FA authenticator
- Backup/Import/Export features and flexible data handling
- Viewed as a strong, privacy-centric alternative to Google/Microsoft authenticators within Proton’s ecosystem

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- [Phone Authenticator App: 2FA](https://chrome-stats.com/d/com.phone.authenticator.secure.two.factor) — 12,772 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/proton.android.authenticator)