Best Mobile 2Fa Authenticator App

244+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Mobile 2FA Authenticator App is the household name in mobile 2fa authenticator app, but it's far from the only option. We track 244+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Mobile 2Fa Authenticator App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Mobile 2FA Authenticator AppMobile 2FA Authenticator AppFree4.2★ (5)NoYesSep 2026
22FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
3Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
4Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (694K)NoNoSep 2026
5Authenticator: 2FA Authy & MFAAuthenticator: 2FA Authy & MFAFree5.0★ (4)NoYesSep 2026
6Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
7Authenticator App 2FA — LokioAuthenticator App 2FA — LokioFreeNoYesAug 2026
8Authenticator App - 2FA / OTPAuthenticator App - 2FA / OTPFree4.3★ (29)YesYesSep 2026

Top Picks for Mobile 2Fa Authenticator App

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
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

More Mobile 2Fa Authenticator App apps to explore

FAQ about Mobile 2Fa Authenticator App

What is the best mobile 2fa authenticator app for iPhone?
Mobile 2FA Authenticator App tops our mobile 2fa authenticator app ranking as of September 2026, with a 4.2-star average from 5 App Store ratings, and it's free to download.
Yes — 20 of the top mobile 2fa authenticator app we rank are free to download, including Mobile 2FA Authenticator App and 2FA Authenticator (2FAS).
Mobile 2FA Authenticator App has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 244+ mobile 2fa authenticator app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Mobile 2FA Authenticator App is designed to securely generate, store, and manage two-factor and multi-factor authentication codes for your online accounts. It aims to simplify and enhance your account security.
Yes, the app provides end-to-end encryption for all stored codes, ensuring that your authentication data remains protected. It also offers secure backups and restoration features.