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Best 2Fa Auth Apps

249+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated September 2026

Every iPhone needs a few good 2fa auth apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top 2Fa Auth Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
2Mobile 2FA Authenticator AppMobile 2FA Authenticator AppFree4.2★ (5)NoYesSep 2026
32FA Authenticator: OTP Codes2FA Authenticator: OTP CodesFree4.5★ (154)YesYesSep 2026
4Twilio AuthyTwilio AuthyFree4.7★ (53K)NoNoSep 2026
5AuthShield: Authenticator 2FAAuthShield: Authenticator 2FAFree—NoYesAug 2026
6SecureKey: 2FA AuthSecureKey: 2FA AuthFree—YesYesMay 2026
7Authenticator app - 2FA, MFAAuthenticator app - 2FA, MFAFree4.6★ (5.7K)NoYesSep 2026
8Authenticator App - 2FA AuthAuthenticator App - 2FA AuthFree2.3★ (3)YesYesSep 2026

Top Picks for 2Fa Auth

2FA Authenticator (2FAS)#1

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

#1 Rated 2FA Authenticator
Editor's Choice
📊 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
2FA Authenticator: OTP Codes#3

2FA Authenticator: OTP Codes by AdSpark OU

Two Factor Auth & MFA Backup
Worth Considering
🔧 Utilities
4.5(154 ratings)
FreeAdsIn-App Purchases
2FA Authenticator: OTP Codes screenshot 1
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Secure your online accounts with this app that generates and stores two-factor authentication codes. Easily scan QR codes for setup and benefit from offline functionality and iCloud backup. Protect your digital identity with robust security features.

More 2Fa Auth apps to explore

FAQ about 2Fa Auth

What are the best 2fa auth apps for iPhone?
2FA Authenticator (2FAS) tops our 2fa auth apps ranking as of September 2026, with a 4.7-star average from 35K App Store ratings, and it's free to download.
Yes — 19 of the top 2fa auth apps we rank are free to download, including 2FA Authenticator (2FAS) and Mobile 2FA Authenticator App.
2FA Authenticator (2FAS) has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ 2fa auth apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app enables two-factor authentication (2FA) or multi-factor authentication (MFA) for your online accounts. It helps verify your identity and securely log in, protecting your personal data and passwords from cyber threats.
It uses TOTP and HOTP algorithms to generate time-based or counter-based one-time passwords. You can also enable app protection with a passcode or biometrics, and easily restore your authentication tokens with backups.

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