Best Authenticator Code App

247+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated November 2026

With an average user rating of 4.5β˜…, the authenticator code app category is one of the App Store's strongest. Browse all 247+ apps we track, sorted so the most loved ones surface first.

Compare top Authenticator Code App (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.8β˜… (1.2M)NoNoNov 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7β˜… (724K)NoNoNov 2026
3IDMe AuthenticatorIDMe AuthenticatorFree4.3β˜… (100K)NoNoNov 2026
4Authenticator App+: 2FA & MFAAuthenticator App+: 2FA & MFAFree4.4β˜… (7)YesYesNov 2026
5Duo MobileDuo MobileFree4.9β˜… (2.4M)NoNoNov 2026
62FA Authenticator Code2FA Authenticator CodeFree5.0β˜… (2)NoYesOct 2026
7Authenticator: 2FA & PasswordsAuthenticator: 2FA & PasswordsFreeβ€”NoYesAug 2026
82FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7β˜… (36K)NoNoNov 2026

Top Picks for Authenticator Code App

4.8😞(1.2M ratings)
Free
#6in 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 two-factor authentication codes generated directly on your device. Sync codes across devices and set up accounts easily with QR codes, even without an internet connection.

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
Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
πŸ“Š Productivity
4.7😞(724K ratings)
Free
#10in 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
4.3😞(100K ratings)
Free
#63in Productivity
IDMe Authenticator screenshot 1
IDMe Authenticator screenshot 2
IDMe Authenticator screenshot 3
IDMe Authenticator screenshot 4
IDMe Authenticator screenshot 5

This app provides a free multi-factor authentication solution for your account, adding an extra layer of security. It generates verification tokens like time-based one-time passwords or 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?
Google Authenticator tops our authenticator code app ranking as of November 2026, with a 4.8-star average from 1.2M 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 Google Authenticator and Microsoft Authenticator.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 247+ authenticator code app on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.