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Best Otp Authenticator Apps

249+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

If you already know OTP Auth, this is the deeper bench. 249+ otp authenticator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Otp Authenticator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OTP AuthOTP AuthFree4.6★ (463)NoYesJul 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (694K)NoNoSep 2026
4FreeOTP AuthenticatorFreeOTP AuthenticatorFree3.2★ (173)NoNoSep 2026
5Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
62FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
7Authenticator: 2FA Authy & MFAAuthenticator: 2FA Authy & MFAFree5.0★ (4)NoYesSep 2026
8Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (34K)NoNoSep 2026

Top Picks for Otp Authenticator

OTP Auth#1

OTP Auth by Roland Moers

2-Factor Auth for Pros
Editor's Choice
🔧 Utilities
4.6😊(463 ratings)
FreeIn-App Purchases
OTP Auth screenshot 1
OTP Auth screenshot 2
OTP Auth screenshot 3
OTP Auth screenshot 4

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

What We Love

  • 🚀 Simple and effective
  • 🔒 Secure with backup/restore
  • 👍 Great Apple Watch support
  • 👍 Intuitive and user-friendly
  • 👍 Customizable icons and folders
  • 🚀 Seamless iCloud sync

Room to Improve

  • 🐛 Occasional sync and widget issues
  • 🐛 Apple Watch app needs improvements
  • 🐛 Unreliable backup/restore for some users
  • 🐛 Crashes and bugs reported by a few
Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 Utilities
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
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(694K ratings)
Free
#6in 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

More Otp Authenticator apps to explore

FAQ about Otp Authenticator

What are the best otp authenticator apps for iPhone?
OTP Auth tops our otp authenticator apps ranking as of September 2026, with a 4.6-star average from 463 App Store ratings, and it's free to download.
Yes — 20 of the top otp authenticator apps we rank are free to download, including OTP Auth and Google Authenticator.
OTP Auth has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ otp authenticator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
OTP Auth adds two-factor authentication (2FA) support to your iPhone and iPad. It helps secure your accounts on services like Dropbox, Facebook, GitHub, and Google Mail by generating time-based one-time passwords (TOTP).
Key features include ad-free operation, encrypted iCloud sync for data backup, Siri and Apple Watch support, a Notification Center widget, a Safari extension for password pasting, secure app access with Face ID/Touch ID, and the ability to create encrypted backups and import/export accounts.

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