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Best Free 2Fa App

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

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

Compare top Free 2Fa App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
22FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
3Authenticator app - 2FA, MFAAuthenticator app - 2FA, MFAFree4.6★ (5.7K)NoYesSep 2026
4Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
5Authenticator App - 2FA / OTPAuthenticator App - 2FA / OTPFree4.3★ (29)YesYesSep 2026
6AuthShield: Authenticator 2FAAuthShield: Authenticator 2FAFree—NoYesAug 2026
7Authenticator App | Two FactorAuthenticator App | Two FactorFree—NoYesAug 2026
8TOTP Authenticator – Fast 2FATOTP Authenticator – Fast 2FAFree4.7★ (3.9K)NoYesSep 2026

Top Picks for Free 2Fa App

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 Utilities
4.9😞(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

  • 👍 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
2FA Authenticator (2FAS)#2

2FA Authenticator (2FAS) by Two Factor Authentication Service Inc.

#1 Rated 2FA Authenticator
Strong Contender
📊 Productivity
4.7😊(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

  • 🚀 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
Authenticator app - 2FA, MFA#3

Authenticator app - 2FA, MFA by Maxima Apps

Two Factor Authentication, OTP
Worth Considering
🔧 Utilities
4.6😐(5.7K ratings)
FreeIn-App Purchases
Authenticator app - 2FA, MFA screenshot 1
Authenticator app - 2FA, MFA screenshot 2
Authenticator app - 2FA, MFA screenshot 3
Authenticator app - 2FA, MFA screenshot 4
Authenticator app - 2FA, MFA screenshot 5
Authenticator app - 2FA, MFA screenshot 6

This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

What We Love

  • 🚀 Easy to use
  • 🔒 Secure authentication
  • 👍 Reliable and works well
  • 🚀 Quick and efficient
  • 👍 Helpful for account recovery

Room to Improve

  • 🐛 Bugs and glitches
  • 💰 Expensive or hidden fees
  • 🤯 Confusing setup and usage
  • 🔒 Issues with account access and recovery
  • 🔋 Drains device battery

More Free 2Fa App apps to explore

FAQ about Free 2Fa App

What is the best free 2fa app for iPhone?
Google Authenticator tops our free 2fa app ranking as of September 2026, with a 4.9-star average from 1.2M App Store ratings, and it's free to download.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free 2fa app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Google Authenticator adds an extra layer of security to your online accounts by generating a second verification code needed to sign in, in addition to your password. This code is generated on your phone.
You can set up your Authenticator accounts automatically by scanning a QR code provided by the service you wish to secure. This is a quick and easy process that ensures correct setup.