Proton Authenticator

proton.me/authenticator
Proton Authenticator

Proton Authenticator is free, open source, and available for both iOS and Android. A Proton account is required to use Proton Authenticator. Existing 2FA codes can be imported from other popular apps such as Google Authenticator and LastPass.

Open Source

Proton Authenticator Privacy Policy

Privacy Policy Summary

  • The service provides two factor authentification for your account
  • Users agree to comply with the law of the service's country
  • The court of law governing the terms is in a jurisdiction that is friendlier to user privacy protection.
  • This service provides an onion site accessible over Tor
  • Terms may be changed any time at their discretion, without notice to you
  • This service tracks which web page referred you to it
  • Any liability on behalf of the service is only limited to the fees you paid as a user
  • Instead of asking directly, this Service will assume your consent to changes of terms merely from your usage.
  • This service is only available to users over a certain age
  • Pseudonyms are allowed
  • You can opt out of promotional communications
  • Your IP address is collected, which can be used to view your approximate location
  • Your account can be suspended for several reasons
  • Third parties are involved in operating the service
  • The service is not responsible for linked or (clearly) quoted content from third-party content providers
  • This service assumes no responsibility and liability for the contents of links to other websites
  • You are prohibited from sending chain letters, junk mail, spam or any unsolicited messages
  • You can access most of the pages on the service's website without revealing any personal information
  • The service informs you that its privacy policy does not apply to third party websites
  • The service has a no refund policy
  • You agree not to use the service for illegal purposes
  • You agree not to submit libelous, harassing or threatening content
  • You are prohibited from attempting to gain unauthorized access to other computer systems
  • The service provider makes no warranty regarding uninterrupted, timely, secure or error-free service
  • The service does not guarantee accuracy or reliability of the information provided
  • Invalidity of any portion of the Terms of Service does not entail invalidity of its remainder
  • Failure to enforce any provision of the Terms of Service does not constitute a waiver of such provision
  • Information is provided about security practices
  • Your personal data may be disclosed to comply with government requests without notice to you
  • Information is provided about how your personal data is used
  • The service claims to be GDPR compliant for European users
  • The court of law governing the terms is in Switzerland
  • You are forced into binding arbitration in case of disputes

Score

C

Documents

Domains Covered by Policy

  • protonmail.com
  • protonmail.ch
  • getproton.me
  • pm.me
  • protonmailrmez3lotccipshtkleegetolb73fuirgj7r4o4vfu7ozyd.onion
  • proton.me
  • protonapps.com

About the Data

This data is kindly provided by tosdr.org. Read full report at: #491

Proton Authenticator Source Code

Author

protonpass

Description

Homepage

License

GPL-3.0

Created

23 Jul 25

Last Updated

19 Jul 26

Latest version

1.3.9

Primary Language

Kotlin

Size

39,390 KB

Stars

312

Forks

27

Watchers

312

Language Usage

Language Usage

Star History

Star History

Recent Commits

  • Victor (30 Jun 26)

    chore: update changelog

  • Victor (30 Jun 26)

    bump: version 1.3.8 → 1.3.9

  • Victor (30 Jun 26)

    fix: update account libs

  • L10n bot (26 Jun 26)

    i18n(weekly-mr): Upgrade translations from crowdin (b44bdba8).

  • Victor (29 Jun 26)

    chore: update changelog

  • Victor (29 Jun 26)

    bump: version 1.3.7 → 1.3.8

  • Antoine Marchaud (23 Jun 26)

    fix: keep local reorder when entry is not yet synced

  • Antoine Marchaud (26 May 26)

    fix: call setContent once to prevent Settings screen freeze

  • Victor (26 May 26)

    fix: pqc key handling

  • L10n bot (22 May 26)

    i18n(weekly-mr): Upgrade translations from crowdin (18f400ad).

  • Victor (22 May 26)

    ci: new nightly and env switcher support

  • Victor (21 May 26)

    fix: auth pagination

  • Antoine Marchaud (20 May 26)

    fix: simplify code to display rating

  • Antoine Marchaud (20 May 26)

    feat: Add Telemetry event

  • Antoine Marchaud (20 May 26)

    feat: New rating rules and FeatureFlag

  • Antoine Marchaud (19 May 26)

    fix: try fix paparazzi previews

  • Antoine Marchaud (19 May 26)

    fix: create ThemePreviewContainer

  • Antoine Marchaud (18 May 26)

    chore: add paparazzi

  • Antoine Marchaud (18 May 26)

    chore: previews

  • Antoine Marchaud (19 May 26)

    fix: improve talkback

  • Antoine Marchaud (18 May 26)

    chore: update libs

  • Antoine Marchaud (18 May 26)

    fix: disable notifications permission request

  • Antoine Marchaud (18 May 26)

    fix: navigation back on lock screen

  • Victor (11 May 26)

    feat: implement authenticator.any.user_actions telemetry events

  • Victor Hidalgo (26 Mar 26)

    chore: remove uri

  • Victor (25 Mar 26)

    fix: avoid selecting folders that cannot be written

  • Victor (07 May 26)

    chore(ci): add Proton internal Maven proxy to avoid 429s from Maven Central Adds the Proton internal Maven cache proxy init script (copied from the monorepo) which inserts MAVEN_CACHE_PKG as the first Maven repository on every CI job. Requires MAVEN_CACHE_PKG CI variable to be set on this project.

  • Antoine Marchaud (27 Mar 26)

    chore: update changelog

  • Antoine Marchaud (27 Mar 26)

    bump: version 1.3.6 → 1.3.7

  • Victor (26 Mar 26)

    fix: snackbar message shown multiples times

Proton Authenticator Website

Website

Proton Pass: Free password manager with identity protection | Proton

Store, share and sync passwords, passkeys, email aliases, and more, on any device, with our open-source, free password manager. No trials, just free forever.

Redirects

Does not redirect

Security Checks

1 security checks failed (64 passed)

  • Robots Noindex

Server Details

  • IP Address 185.70.42.45
  • Hostname 185-70-42-45.protonmail.ch
  • Location Lausanne, Vaud, Switzerland, EU
  • ISP Proton AG
  • ASN AS62371

Associated Countries

  • DE DE
  • US US
  • CH CH

Safety Score

Website marked as moderately safe

90%

Blacklist Check

proton.me was found on 0 blacklists

  • AntiSocial Blacklist
  • Artists Against 419
  • Badbitcoin
  • Bambenek Consulting
  • CERT Polska
  • CoinBlockerLists
  • CRDF
  • CryptoScamDB
  • EtherAddressLookup
  • EtherScamDB
  • Fake Website Buster
  • MetaMask EthPhishing
  • NABP Not Recommended Sites
  • OpenPhish
  • PetScams
  • PhishFeed
  • PhishFort
  • Phishing.Database
  • PhishStats
  • PhishTank
  • Phishunt
  • RPiList Not Serious
  • Scam.Directory
  • SecureReload Phishing List
  • Spam404
  • StopGunScams
  • Suspicious Hosting IP
  • ThreatFox
  • ThreatLog
  • TweetFeed
  • URLhaus
  • ViriBack C2 Tracker

Website Preview

Website preview

Proton Authenticator Android App

APK Info

De-Googled Compatibility

Native 4.00 / 4 9 ratings
microG 4.00 / 4 2 ratings
  • GrapheneOS Native 4.0 / 4 (8)

Tested on Android 10–16 · Updated 06 Feb 26 · View on Plexus →

Trackers

  • Sentry

Permissions

  • Access Network State
  • Camera
  • Foreground Service
  • Internet
  • Post Notifications
  • Receive Boot Completed
  • Use Biometric
  • Use Fingerprint
  • Wake Lock
  • Dynamic Receiver Not Exported Permission

Proton Authenticator iOS App

App Info

Proton Authenticator

Get the authenticator trusted by millions — from Proton Mail, the world's largest encrypted email provider. Proton Authenticator is open source, end-to-end encrypted, and protected by strict Swiss privacy laws. Protect all your new accounts and strengthen security on your existing ones. Proton Authenticator keeps your 2FA codes secure, accessible, and completely private — with full control over where your data is stored. KEY FEATURES Local-First Storage:Your 2FA codes are stored entirely on your device, giving you complete control over your data. Effortless Import: Migrate from Google Authenticator, Authy, or any other app in seconds. Secure Backup & Export: Retain full control of your data with easy backup and restore options. Swiss Privacy by Design: Built under Switzerland's strongest data protection regulations. Open Source & Transparent: Auditable code. No tracking. No ads. Take control of your digital security with encryption you can trust. Free to use: No Proton account required, ad-free. Offline support: On mobile and desktop apps No other 2FA app provides this combination of security and privacy. Trusted by millions. Built by Proton. Take control of your digital security today. Terms of service: https://proton.me/legal/terms Learn more: https://proton.me

Rating

Rated 4.34 out of 5 stars by 219 users

Version Info

  • Current Version 1.4.1
  • Last Updated 27 Apr 26
  • First Released 31 Jul 25
  • Minimum iOS Version 17.0
  • Device Models Supported 128

App Details

  • IPA Size 120.03 Mb
  • Price Free (USD)
  • Age Advisory 4+
  • Supported Languages 10
  • Developer Proton AG
  • Bundle ID me.proton.authenticator

Screenshots

Proton Authenticator Reviews

More 2-Factor Authentication

About the Data: Proton Authenticator

Change History

API

You can access Proton Authenticator's data programmatically via our API. Simply make a GET request to:

https://api.awesome-privacy.xyz/v1/services/proton-authenticator

The REST API is free, no-auth and CORS-enabled. To learn more, view the API Docs or read the API Usage Guide.

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