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Best Authenticator App Ios

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated October 2026

2FA Authenticator (2FAS) is the household name in authenticator app ios, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Authenticator App Ios (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
12FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoOct 2026
2Duo MobileDuo MobileFree4.9★ (2.3M)NoNoOct 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (703K)NoNoOct 2026
4Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoOct 2026
5ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoOct 2026
6Multi Authenticator: OTP, MFAMulti Authenticator: OTP, MFAFree4.7★ (45)NoYesSep 2026
7IBA Mobile AuthenticatorIBA Mobile AuthenticatorFree—NoNoMay 2026
8OneSpan Mobile AuthenticatorOneSpan Mobile AuthenticatorFree4.8★ (1.4K)NoNoOct 2026

Top Picks for Authenticator App Ios

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
Duo Mobile#2

Duo Mobile by Duo Security LLC

Security made simple
Strong Contender
💼 Business
4.9😐(2.3M ratings)
Free
#17in Business
Duo Mobile screenshot 1
Duo Mobile screenshot 2
Duo Mobile screenshot 3
Duo Mobile screenshot 4

Enhance login security with two-factor authentication. Generate passcodes or use one-tap push notifications for seamless access to your accounts. Manage authentication for multiple applications and web services.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
  • 🐛 Confusing and non-intuitive user interface
  • 🐛 Forced use of the app causing inconvenience
  • 🐛 Inability to remove or deactivate the app
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(703K ratings)
Free
#7in 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 Authenticator App Ios apps to explore

FAQ about Authenticator App Ios

What is the best authenticator app ios for iPhone?
2FA Authenticator (2FAS) tops our authenticator app ios ranking as of October 2026, with a 4.7-star average from 35K App Store ratings, and it's free to download.
Yes — 20 of the top authenticator app ios we rank are free to download, including 2FA Authenticator (2FAS) and Duo Mobile.
2FA Authenticator (2FAS) has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ authenticator app ios on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.