Best App Authenicator Free

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

The best app authenicator free on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top App Authenicator Free (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (703K)NoNoSep 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
3Authenticator App ™Authenticator App ™Free4.4★ (24K)NoYesSep 2026
4Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
5Authenticator・2FA・OTP AppAuthenticator・2FA・OTP AppFree—NoYesJul 2026
6ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoSep 2026
7Authenticator app — 2FA, MFAAuthenticator app — 2FA, MFAFree—NoYesJul 2026
8Authenticator+ 2FA AppAuthenticator+ 2FA AppFree4.1★ (55)NoYesSep 2026

Top Picks for App Authenicator Free

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(703K ratings)
Free
#6in Productivity
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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

  • 🚀 Seamless authentication
  • 🔒 Secure login process
  • 👍 Convenient passwordless sign-in
  • 🚀 Smooth app performance

Room to Improve

  • 🐛 Broken Apple Watch functionality
  • 🐛 Backup and restore issues
  • 🐛 Confusing login flow
  • 🐛 Accounts disappearing after phone change
4.9😞(1.2M ratings)
Free
#3in Utilities
Google Authenticator screenshot 1
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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 Codenhagen.IO ApS

Two Factor Authentication
Worth Considering
🔧 Utilities
4.4😞(24K ratings)
FreeIn-App Purchases
Authenticator App ™ screenshot 1
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This app provides a secure way to manage two-factor authentication (2FA) for your online accounts. It generates time-based one-time passwords (TOTP) that update every 30 seconds, offering an extra layer of security without needing an internet connection. Features include iCloud backup, cross-device synchronization, and biometric unlock.

What We Love

  • 👍 Easy to use
  • 🚀 Works well
  • 👍 Simple and straightforward
  • 🚀 Functional tool

Room to Improve

  • 🐛 Unable to remove accounts
  • 🐛 Difficult to cancel subscription
  • 🐛 Doesn't work as expected
  • 🐛 Not user friendly
  • 🐛 Unreliable
  • 🐛 Crashes and freezes
  • 🐛 Incompatible with older devices

More App Authenicator Free apps to explore

FAQ about App Authenicator Free

What is the best app authenicator free for iPhone?
Microsoft Authenticator tops our app authenicator free ranking as of September 2026, with a 4.7-star average from 703K App Store ratings, and it's free to download.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ app authenicator free on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Microsoft Authenticator is a mobile application designed to enhance online security. It provides multi-factor authentication (MFA), passwordless login options, and password autofill capabilities for various online accounts, including personal, work, and school accounts.
When MFA is enabled, after entering your password, you'll be prompted to verify your identity. This can be done by approving a notification sent to the app or by entering a time-based one-time password (OTP) generated by the app. These OTP codes refresh every 30 seconds and do not require a network connection.