Best Multi-Factor Authentication Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

Out of 250+ multi-factor authentication apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Multi-Factor Authentication Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (694K)NoNoSep 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
3MFA Authenticator: Secure 2FAMFA Authenticator: Secure 2FAFree4.4★ (104)NoYesSep 2026
4Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
5Authenticator AppAuthenticator AppFree4.6★ (49K)NoYesSep 2026
6ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoSep 2026
7Authenticator ·Authenticator ·Free4.6★ (26K)NoYesSep 2026
8Okta VerifyOkta VerifyFree4.8★ (37K)NoNoSep 2026

Top Picks for Multi-Factor Authentication

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(694K ratings)
Free
#7in 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

  • 🚀 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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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

More Multi-Factor Authentication apps to explore

FAQ about Multi-Factor Authentication

What are the best multi-factor authentication apps for iPhone?
Microsoft Authenticator tops our multi-factor authentication apps ranking as of September 2026, with a 4.7-star average from 694K App Store ratings, and it's free to download.
Yes — 20 of the top multi-factor authentication apps we rank are free to download, including Microsoft Authenticator and Google Authenticator.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ multi-factor authentication apps 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.

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