Best Authenticator App Proton

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated October 2026

The best authenticator app proton on iPhone average 3.9★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Authenticator App Proton (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Proton Authenticator & 2FAProton Authenticator & 2FAFree4.6★ (641)NoNoNov 2026
2Proton Pass - Password ManagerProton Pass - Password ManagerFree4.8★ (8.9K)NoYesNov 2026
3Duo MobileDuo MobileFree4.9★ (2.3M)NoNoNov 2026
4IDMe AuthenticatorIDMe AuthenticatorFree4.3★ (100K)NoNoNov 2026
52FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (36K)NoNoNov 2026
6Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (34K)NoNoNov 2026
7SITE AuthenticatorSITE AuthenticatorFree—NoNoMay 2026
8BAuthenticatorBAuthenticatorFree2.4★ (43)NoNoOct 2026

Top Picks for Authenticator App Proton

Proton Authenticator & 2FA#1

Proton Authenticator & 2FA by Proton AG

Secure verification, MFA & OTP
Editor's Choice
📊 Productivity
4.6😊(641 ratings)
Free
Proton Authenticator & 2FA screenshot 1
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Proton Authenticator & 2FA screenshot 4

Securely manage your two-factor authentication codes with an open-source, end-to-end encrypted authenticator app. It offers seamless cross-device syncing, effortless import from other apps, and robust backup options, all protected by strict Swiss privacy laws. Take control of your digital security with a trusted and private solution.

What We Love

  • 🚀 Cross-platform support
  • 🔒 Secure cloud sync
  • 👍 Easy import from other authenticators
  • 🚀 Convenient 'next' feature for codes

Room to Improve

  • 🐛 Buggy UI (scrolling jitters, random sorting)
  • 👎 Lack of customization options (pin favorites, change icons)
  • 🐛 Sync/login issues on iPad
Proton Pass - Password Manager#2

Proton Pass - Password Manager by Proton AG

Passkeys, 2FA & secure vault
Strong Contender
📊 Productivity
4.8😐(8.9K ratings)
FreeIn-App Purchases
Proton Pass - Password Manager screenshot 1
Proton Pass - Password Manager screenshot 2
Proton Pass - Password Manager screenshot 3
Proton Pass - Password Manager screenshot 4
Proton Pass - Password Manager screenshot 5
Proton Pass - Password Manager screenshot 6

Secure your online identity with this free, open-source password manager. It offers end-to-end encryption, unlimited password storage across devices, and features like 2FA generation and email alias creation. Protect your accounts and enhance your digital security.

What We Love

  • 🚀 Decent password manager
  • 🔒 Secure and encrypted
  • 👍 Integrated email alias feature
  • 👍 Competitive pricing
  • 👍 Attractive and intuitive apps
  • 👍 Easy to use
  • 👍 Wide platform support

Room to Improve

  • 🐛 Autofill issues
  • 🐛 Logging out issues
  • 🐛 Buggy and unreliable
  • 🐛 Missing core features
  • 🐛 Compatibility issues
  • 🐛 Deleting passwords unexpectedly
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.3M ratings)
Free
#11in Business
Duo Mobile screenshot 1
Duo Mobile screenshot 2
Duo Mobile screenshot 3
Duo Mobile screenshot 4

Enhance your online security with two-factor authentication. This app generates passcodes and allows one-tap push notifications for secure logins across various services. Manage authentication for multiple applications and websites easily.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
  • 🐛 Confusing and non-intuitive user interface
  • 🐛 Forced use of the app causing inconvenience
  • 🐛 Inability to remove or deactivate the app

More Authenticator App Proton apps to explore

FAQ about Authenticator App Proton

What is the best authenticator app proton for iPhone?
Proton Authenticator & 2FA tops our authenticator app proton ranking as of October 2026, with a 4.6-star average from 641 App Store ratings, and it's free to download.
Yes — 20 of the top authenticator app proton we rank are free to download, including Proton Authenticator & 2FA and Proton Pass - Password Manager.
Proton Authenticator & 2FA has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ authenticator app proton on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.