Best 2Fa Authenticator Free Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our 2fa authenticator free list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top 2Fa Authenticator Free Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7โ˜… (35K)NoNoSep 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9โ˜… (1.2M)NoNoSep 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7โ˜… (694K)NoNoSep 2026
4Authenticator AppAuthenticator AppFree4.6โ˜… (49K)NoYesSep 2026
5ID.me AuthenticatorID.me AuthenticatorFree4.3โ˜… (100K)NoNoSep 2026
6Duo MobileDuo MobileFree4.9โ˜… (2.3M)NoNoSep 2026
7Raivo - 2FA Authenticator appRaivo - 2FA Authenticator appFree4.4โ˜… (181)NoYesSep 2026
8Authenticator App -2FA SecureAuthenticator App -2FA SecureFree3.0โ˜… (3)YesYesSep 2026

Top Picks for 2Fa Authenticator Free

4.7๐Ÿ˜Š(35K 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

  • ๐Ÿš€ Efficient and fast
  • ๐Ÿ”’ Secure and private
  • ๐Ÿ‘ Simple and intuitive UI
  • ๐Ÿ’ก Customizable icons and folders
  • ๐Ÿ”’ iCloud backup and sync

Room to Improve

  • ๐Ÿ› Occasional bugs and crashes
  • ๐Ÿ”’ Lack of password/PIN protection
  • ๐Ÿ•ฐ No Apple Watch app
  • ๐Ÿ› Issues with push notifications
  • ๐Ÿ•ฐ Missing desktop/web app
4.9๐Ÿ˜ž(1.2M ratings)
Free
#3in 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

  • ๐Ÿ‘ User-friendly
  • ๐Ÿ”’ Secure authentication
  • ๐Ÿš€ Simple and fast
  • ๐Ÿ”’ Reliable security
  • ๐Ÿ‘ Easy to use

Room to Improve

  • ๐Ÿ› Randomly deleted all codes
  • ๐Ÿ› Unreliable, lost access to accounts
  • ๐Ÿ› Timing issues, codes didn't work
  • ๐Ÿ› Accounts duplicated then deleted
  • ๐Ÿ› Wiped all accounts after update
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
๐Ÿ“Š Productivity
4.7๐Ÿ˜ž(694K ratings)
Free
#6in 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

  • ๐Ÿš€ Seamless authentication
  • ๐Ÿ”’ Secure login process
  • ๐Ÿ‘ Convenient passwordless sign-in
  • ๐Ÿš€ Smooth app performance

Room to Improve

  • ๐Ÿ› Broken Apple Watch functionality
  • ๐Ÿ› Backup and restore issues
  • ๐Ÿ› Confusing login flow
  • ๐Ÿ› Accounts disappearing after phone change

More 2Fa Authenticator Free apps to explore

FAQ about 2Fa Authenticator Free

What are the best 2fa authenticator free apps for iPhone?
2FA Authenticator (2FAS) tops our 2fa authenticator free apps ranking as of September 2026, with a 4.7-star average from 35K App Store ratings, and it's free to download.
2FA Authenticator (2FAS) has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ 2fa authenticator free apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app enables two-factor authentication (2FA) or multi-factor authentication (MFA) for your online accounts. It helps verify your identity and securely log in, protecting your personal data and passwords from cyber threats.
It uses TOTP and HOTP algorithms to generate time-based or counter-based one-time passwords. You can also enable app protection with a passcode or biometrics, and easily restore your authentication tokens with backups.