Best Authenticator App Free Otp

245+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Every iPhone needs a few good authenticator app free otp. We benchmark 245+ 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 Authenticator App Free Otp (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AuthenticatorAuthenticatorFree3.7★ (407)NoNoOct 2026
2RSA Authenticator (SecurID)RSA Authenticator (SecurID)Free2.7★ (331)NoNoOct 2026
3Authenticator App - 2FA / OTPAuthenticator App - 2FA / OTPFree4.3★ (29)YesYesOct 2026
4Authenticator App - 2FA, OTPAuthenticator App - 2FA, OTPFree4.7★ (3)YesYesOct 2026
5FreeOTP AuthenticatorFreeOTP AuthenticatorFree3.2★ (172)NoNoOct 2026
6Authenticator App ™Authenticator App ™Free4.4★ (25K)NoYesOct 2026
7Authenticator App - 2FA Auth +Authenticator App - 2FA Auth +Free4.5★ (1.8K)NoYesOct 2026
8Duo MobileDuo MobileFree4.9★ (2.3M)NoNoOct 2026

Top Picks for Authenticator App Free Otp

Authenticator#1

Authenticator by Matt Rubin

Simple 2-factor authentication
Editor's Choice
🔧 Utilities
3.7😐(407 ratings)
Free
Authenticator screenshot 1
Authenticator screenshot 2
Authenticator screenshot 3

This app provides a secure and straightforward way to protect your online accounts. It generates one-time passwords that, when combined with your regular password, significantly enhance your account security. The app operates offline, ensuring your sensitive data remains on your device.

What We Love

  • 🚀 Simple and easy to use
  • 🔒 Secure, no cloud backup
  • 👍 Clean and intuitive UI
  • 💡 Open-source and transparent

Room to Improve

  • 🐛 Tokens easily deleted by accident
  • 🔒 No backup/transfer options for tokens
  • 🔒 Locked out when changing devices
  • 🐛 Codes not working after app updates
2.7😞(331 ratings)
Free
RSA Authenticator (SecurID) screenshot 1
RSA Authenticator (SecurID) screenshot 2
RSA Authenticator (SecurID) screenshot 3
RSA Authenticator (SecurID) screenshot 4
RSA Authenticator (SecurID) screenshot 5
RSA Authenticator (SecurID) screenshot 6

This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.

What We Love

  • 🚀 Works great
  • 🔒 Secure authentication
  • 👍 Easy to use
  • 🚀 Convenient alternative to hardware token

Room to Improve

  • 🐛 Face ID bug
  • 🐛 Persistent token disappearing issue
  • 🐛 Buggy app
  • 🤔 Confusing UI changes
  • 🤔 Ugly app icon
  • 🤔 Lack of dark mode
Authenticator App - 2FA / OTP#3

Authenticator App - 2FA / OTP by Solid Dijital

Two-Factor Login & Secure MFA
Worth Considering
📊 Productivity
4.3(29 ratings)
FreeAdsIn-App Purchases
Authenticator App - 2FA / OTP screenshot 1
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Authenticator App - 2FA / OTP screenshot 6

This app provides secure two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backups, cloud sync, and QR code support for easy account management across multiple devices.

More Authenticator App Free Otp apps to explore

FAQ about Authenticator App Free Otp

What is the best authenticator app free otp for iPhone?
Authenticator tops our authenticator app free otp ranking as of October 2026, with a 3.7-star average from 407 App Store ratings, and it's free to download.
Authenticator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 245+ authenticator app free otp on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.