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Best Authenticator Code App

249+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.4β˜…, the authenticator code app category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Authenticator Code App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7β˜… (703K)NoNoOct 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9β˜… (1.2M)NoNoOct 2026
3ID.me AuthenticatorID.me AuthenticatorFree4.3β˜… (100K)NoNoOct 2026
4Duo MobileDuo MobileFree4.9β˜… (2.3M)NoNoOct 2026
5Authenticator App -2FA SecureAuthenticator App -2FA SecureFree3.0β˜… (3)YesYesSep 2026
6Authenticator TLAuthenticator TLFreeβ€”NoNoMay 2026
7TwoFac - AuthenticatorTwoFac - AuthenticatorFreeβ€”NoNoMay 2026
8Tokens: 2FA AuthenticatorTokens: 2FA AuthenticatorFreeβ€”β€”NoJul 2026

Top Picks for Authenticator Code App

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
πŸ“Š Productivity
4.7😞(703K ratings)
Free
#13in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
Microsoft Authenticator screenshot 4
Microsoft Authenticator screenshot 5
Microsoft Authenticator screenshot 6

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

What We Love

  • πŸš€ Seamless authentication
  • πŸ”’ Secure login process
  • πŸ‘ Convenient passwordless sign-in
  • πŸš€ Smooth app performance

Room to Improve

  • πŸ› Broken Apple Watch functionality
  • πŸ› Backup and restore issues
  • πŸ› Confusing login flow
  • πŸ› Accounts disappearing after phone change
Google Authenticator#2

Google Authenticator by Google

Strong Contender
πŸ”§ Utilities
4.9😞(1.2M ratings)
Free
#7in 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

  • πŸ‘ User-friendly
  • πŸ”’ Secure authentication
  • πŸš€ Simple and fast
  • πŸ”’ Reliable security
  • πŸ‘ Easy to use

Room to Improve

  • πŸ› Randomly deleted all codes
  • πŸ› Unreliable, lost access to accounts
  • πŸ› Timing issues, codes didn't work
  • πŸ› Accounts duplicated then deleted
  • πŸ› Wiped all accounts after update
ID.me Authenticator#3

ID.me Authenticator by ID.me

Worth Considering
πŸ“Š Productivity
4.3😞(100K ratings)
Free
#44in Productivity
ID.me Authenticator screenshot 1
ID.me Authenticator screenshot 2
ID.me Authenticator screenshot 3
ID.me Authenticator screenshot 4
ID.me Authenticator screenshot 5

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

What We Love

  • πŸš€ Easy to use
  • πŸ’‘ Comprehensive identity verification
  • πŸ‘ Clean and straightforward interface

Room to Improve

  • πŸ› Frequent technical issues
  • πŸ•°οΈ Slow and unresponsive support
  • 🀯 Confusing and frustrating workflow
  • πŸ”’ Privacy and security concerns
  • πŸ™β€β™€οΈ Poor user experience for non-tech-savvy individuals

More Authenticator Code App apps to explore

FAQ about Authenticator Code App

What is the best authenticator code app for iPhone?
Microsoft Authenticator tops our authenticator code app ranking as of September 2026, with a 4.7-star average from 703K App Store ratings, and it's free to download.
Yes β€” 20 of the top authenticator code app we rank are free to download, including Microsoft Authenticator and Google Authenticator.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ authenticator code app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.