Best 2Fa Authenticator Free Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

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

Compare top 2Fa Authenticator Free Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (36K)NoNoOct 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoOct 2026
3Authenticator™ AppAuthenticator™ AppFree4.1★ (489)NoYesOct 2026
4Authenticator app - 2FA, MFAAuthenticator app - 2FA, MFAFree4.6★ (5.8K)NoYesOct 2026
5Twilio AuthyTwilio AuthyFree4.7★ (54K)NoNoOct 2026
6Duo MobileDuo MobileFree4.9★ (2.3M)NoNoOct 2026
7Raivo - 2FA Authenticator appRaivo - 2FA Authenticator appFree4.3★ (197)NoYesOct 2026
8Authenticator - 2FA & MFAAuthenticator - 2FA & MFAFree—NoYesJul 2026

Top Picks for 2Fa Authenticator Free

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
4.9😞(1.2M ratings)
Free
#4in 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
Authenticator™ App#3

Authenticator™ App by BOHEM Bilisim LTD

Authenticator App
Worth Considering
🔧 Utilities
4.1😞(489 ratings)
FreeIn-App Purchases
Authenticator™ App screenshot 1
Authenticator™ App screenshot 2
Authenticator™ App screenshot 3
Authenticator™ App screenshot 4
Authenticator™ App screenshot 5
Authenticator™ App screenshot 6

This app generates secure, time-based one-time passwords for two-factor authentication. It supports automatic setup via QR code and works offline, synchronizing across Apple devices with iCloud backup and encryption.

What We Love

  • 👍 Easy setup process
  • 🔒 Extra layer of security
  • 🌐 Wide range of services supported
  • ☁️ Offline code generation
  • ✨ Clean, user-friendly interface
  • 🔄 Option to back up data

Room to Improve

  • ❌ App doesn't launch
  • ❌ Multifactor authentication issues
  • ❌ Cannot cancel subscription
  • ❌ Codes not recognized
  • ❌ Forced premium membership
  • ❌ Locked out of accounts
  • ❌ Deleted all data
  • ❌ Subscription model frustrating
  • ❌ Hidden skip button
  • ❌ Money hungry
  • ❌ Cannot add multiple accounts
  • ❌ Cannot transfer accounts
  • ❌ Annoying popups
  • ❌ Cheap ripoff of Google Authenticator
  • ❌ Requires iCloud backup
  • ❌ Premium upgrade required
  • ❌ Confusing to set up/use
  • ❌ Pretends to be Google
  • ❌ Not Google's app
  • ❌ Codes not generating
  • ❌ All accounts deleted after iPhone update
  • ❌ Customer support unresponsive

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 October 2026, with a 4.7-star average from 36K 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 October 2026.
We track 250+ 2fa authenticator free apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.