This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.
Proton Authenticator
Protect your digital identity with the open-source authenticator trusted by millions. Secure, Swiss-based, and built by the privacy experts at Proton.
Downloads
190K+User Rating
Total Ratings
400Publisher
Category
ProductivityLocales
10Latest Version
1.3.2Size
116.7 MBFirst Released
Jul 31, 2025Uncompromising Security for Your Digital World
Proton Authenticator brings open-source, end-to-end encrypted 2FA to your fingertips, backed by the world's strongest Swiss privacy laws.
Swiss-Grade Privacy
Protect your digital identity with end-to-end encryption and the same privacy-first pedigree trusted by Proton Mail users worldwide.
Encrypted iCloud Sync
Never worry about losing access. Seamlessly and securely sync your 2FA secrets across all your devices without sacrificing your privacy.
Frequently Asked Questions
Everything you need to know about Proton Authenticator
What is Proton Authenticator?
Proton Authenticator is an open-source, end-to-end encrypted 2FA app. It secures accounts and keeps 2FA codes private, trusted by millions and built by Proton.
Is Proton Authenticator free to use?
Yes, Proton Authenticator is completely free to use. It does not require a Proton account and is ad-free.
Does Proton Authenticator offer encrypted sync across devices?
Yes, Proton Authenticator provides Encrypted iCloud Sync. This feature seamlessly syncs your 2FA secrets across devices with end-to-end encryption.
Can I import existing 2FA codes into Proton Authenticator?
Yes, Proton Authenticator allows effortless import of 2FA codes. You can migrate from Google Authenticator, Authy, or many other apps in seconds.
Which authenticator apps can Proton Authenticator import from?
Proton Authenticator supports importing from 2FAS, Aegis Authenticator, Authy, Bitwarden Authenticator, Ente Auth, Google Authenticator, and LastPass Authenticator.
Does Proton Authenticator work offline?
Yes, Proton Authenticator provides offline support. This functionality is available on both mobile and desktop apps.
Does Proton Authenticator provide backup and export options?
Yes, Proton Authenticator offers secure backup and export features. Users retain full control of their data with easy backup and restore options.
Is Proton Authenticator protected by Swiss privacy laws?
Yes, Proton Authenticator operates under strict Swiss privacy laws. It is built with Swiss Privacy by Design, ensuring strong data protection regulations.
Does Proton Authenticator use end-to-end encryption?
Yes, Proton Authenticator is end-to-end encrypted. This protects all 2FA codes, keeping them secure, accessible, and completely private.
Can I unlock Proton Authenticator with biometrics?
Yes, Proton Authenticator supports biometric unlock. Users can secure the app with Face ID or other biometric methods.
Does Proton Authenticator require a Proton account to use?
No, Proton Authenticator does not require a Proton account for use. It is free to download and operate independently.
Are there ads in Proton Authenticator?
No, Proton Authenticator is completely ad-free. It provides a clean user experience without advertisements.
The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.
App Store
Screenshots
Proton Authenticator app displaying 2FA codes on iPhone Apple Watch and desktop computer
Proton Authenticator interface showing QR code scanning and a list of providers for importing 2FA codes
Proton Authenticator app showing biometric unlock and one-tap 2FA code copying feature on an iPhone
Proton Authenticator settings screen showing options for encrypted iCloud backup and device synchronization
Proton Authenticator app interface showing two factor authentication codes with offline mode and Swiss privacy protection
Description
Download
More Like This
Apps with similar features and user experience
Google Authenticator
Google LLC
Duo Mobile
Duo Security LLC
Authenticator App - 2FA &. MFA
APPLY DIJITAL HIZMETLER TICARET LIMITED SIRKETI
authenticator . app
Mustafa Uz
SafeNet MobilePASS+
Thales DIS (Singapore) Pte Ltd
Čítačka
Tatra banka, a.s.
Authenticator App - SafeAuth
Brilliant App Limited
Authenticator App - 2FA Auth
UNIVERSE DIJITAL HIZMETLER LIMITED SIRKETI
Authenticator App : Scan & 2FA
XSOFT GLOBAL LIMITED
This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.