Best Two Factor Authenticator App

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

With an average user rating of 4.4★, the two factor authenticator app category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Two Factor Authenticator App (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoOct 2026
22FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (36K)NoNoOct 2026
3Two Factor Authenticator & OTPTwo Factor Authenticator & OTPFree4.5★ (159)NoYesOct 2026
4Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (718K)NoNoOct 2026
5Duo MobileDuo MobileFree4.9★ (2.3M)NoNoOct 2026
6Authenticator: Secure 2FA AuthAuthenticator: Secure 2FA AuthFree4.5★ (26)YesYesOct 2026
7Authenticator App - 2FA TotpAuthenticator App - 2FA TotpFree4.5★ (24)NoYesOct 2026
8Two Factor Authenticator AppTwo Factor Authenticator AppFree4.4★ (55)YesYesOct 2026

Top Picks for Two Factor Authenticator App

4.9😞(1.2M ratings)
Free
#5in Utilities
Google Authenticator screenshot 1
Google Authenticator screenshot 2
Google Authenticator screenshot 3
Google Authenticator screenshot 4
Google Authenticator screenshot 5
Google Authenticator screenshot 6

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

What We Love

  • 👍 User-friendly
  • 🔒 Secure authentication
  • 🚀 Simple and fast
  • 🔒 Reliable security
  • 👍 Easy to use

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
  • 🐛 Accounts duplicated then deleted
  • 🐛 Wiped all accounts after update
4.7😊(36K ratings)
Free
2FA Authenticator (2FAS) screenshot 1
2FA Authenticator (2FAS) screenshot 2
2FA Authenticator (2FAS) screenshot 3
2FA Authenticator (2FAS) screenshot 4
2FA Authenticator (2FAS) screenshot 5
2FA Authenticator (2FAS) screenshot 6

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

What We Love

  • 🚀 Efficient and fast
  • 🔒 Secure and private
  • 👍 Simple and intuitive UI
  • 💡 Customizable icons and folders
  • 🔒 iCloud backup and sync

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Lack of password/PIN protection
  • 🕰 No Apple Watch app
  • 🐛 Issues with push notifications
  • 🕰 Missing desktop/web app
Two Factor Authenticator & OTP#3

Two Factor Authenticator & OTP by HENRY FOSTER

Simple 2FA authentication app
Worth Considering
🔧 Utilities
4.5(159 ratings)
FreeIn-App Purchases
Two Factor Authenticator & OTP screenshot 1
Two Factor Authenticator & OTP screenshot 2
Two Factor Authenticator & OTP screenshot 3
Two Factor Authenticator & OTP screenshot 4
Two Factor Authenticator & OTP screenshot 5

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

More Two Factor Authenticator App apps to explore

FAQ about Two Factor Authenticator App

What is the best two factor authenticator app for iPhone?
Google Authenticator tops our two factor authenticator app ranking as of October 2026, with a 4.9-star average from 1.2M App Store ratings, and it's free to download.
Yes — 20 of the top two factor authenticator app we rank are free to download, including Google Authenticator and 2FA Authenticator (2FAS).
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ two factor authenticator app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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