Best Totp Authenticator Apps

250+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated August 2026

The best totp authenticator apps on iPhone average 4.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Totp Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TOTP Authenticator – Fast 2FATOTP Authenticator – Fast 2FAFree4.7★ (3.9K)NoYesSep 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (690K)NoNoSep 2026
4TOTP AuthenticatorTOTP AuthenticatorFree4.8★ (160)NoYesSep 2026
5Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
62FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
7ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoSep 2026
8TOTP Authenticator - OTPTOTP Authenticator - OTPFree5.0★ (3)NoNoAug 2026

Top Picks for Totp Authenticator

TOTP Authenticator – Fast 2FA#1

TOTP Authenticator – Fast 2FA by AppyFactor

Simple 2FA with Cloud Sync
Editor's Choice
🔧 Utilities
4.7😞(3.9K ratings)
FreeIn-App Purchases
TOTP Authenticator – Fast 2FA screenshot 1
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TOTP Authenticator – Fast 2FA screenshot 3
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TOTP Authenticator – Fast 2FA screenshot 5
TOTP Authenticator – Fast 2FA screenshot 6

Enhance your online security with this app that generates one-time tokens for two-factor authentication. Protect your accounts from hackers by easily adding 2FA to your online services. Supports cloud sync and a Chrome extension for seamless desktop integration.

What We Love

  • 👍 Solid free basic experience
  • 🚀 Simple and effective
  • 👍 Easy to use and set up new accounts
  • 🚀 Chrome extension is cool
  • 🔒 Excellent app for 2FA

Room to Improve

  • 🐛 No export functionality
  • 🐛 Impossible to recover account without paying
  • 🐛 Can't save Authy keys from sites
  • 🐛 Codes expire too fast
  • 🐛 Doesn't work with some services
  • 🐛 Codes not working, invalid or expired
  • 🐛 Doesn't sync to Chrome extension
  • 🐛 No instructions or support
  • 🐛 Sync issues, lost codes
  • 🐛 Doesn't offer encryption for iCloud backup
Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 Utilities
4.9😞(1.2M ratings)
Free
#3in Utilities
Google Authenticator screenshot 1
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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
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(690K ratings)
Free
#5in Productivity
Microsoft Authenticator screenshot 1
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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

More Totp Authenticator apps to explore

FAQ about Totp Authenticator

What are the best totp authenticator apps for iPhone?
TOTP Authenticator – Fast 2FA tops our totp authenticator apps ranking as of August 2026, with a 4.7-star average from 3.9K App Store ratings, and it's free to download.
Yes — 18 of the top totp authenticator apps we rank are free to download, including TOTP Authenticator – Fast 2FA and Google Authenticator.
TOTP Authenticator – Fast 2FA has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ totp authenticator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
TOTP Authenticator generates one-time tokens (codes) that are used in conjunction with your password to provide an extra layer of security for your online accounts. This two-factor authentication (2FA) process helps protect your accounts from unauthorized access and hackers.
Key features include Cloud Sync for backing up your 2FA data, a Chrome Extension for easy desktop access to codes, support for both dark and light themes, multi-platform and multi-device syncing, unlimited account support, home screen widgets for quick access, and biometric app lock for enhanced privacy.

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