Best Mobile Authenticator App

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our mobile authenticator app list covers 250+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Mobile Authenticator App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
3Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
4Mobile Authenticator-MFA & 2FAMobile Authenticator-MFA & 2FAFreeNoYesAug 2026
5Authenticator App -2FA SecureAuthenticator App -2FA SecureFree3.0★ (3)YesYesAug 2026
6Authenticator App - 2FA AppAuthenticator App - 2FA AppFreeNoYesAug 2026
7Authenticator AppAuthenticator AppFree4.6★ (48K)NoYesAug 2026
8Authenticator App: SecureGuardAuthenticator App: SecureGuardFreeNoYesMay 2026

Top Picks for Mobile Authenticator App

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(687K ratings)
Free
#10in 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
Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 Utilities
4.9😞(1.2M ratings)
Free
#5in 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

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.2M ratings)
Free
#20in 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

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process

More Mobile Authenticator App apps to explore

4
Mobile Authenticator-MFA & 2FA
Mobile Authenticator-MFA & 2FA
Mobile Authenticator-MFA & 2FA
RSA Authentication Арр: OTP
Free
🔧 Utilities
(0)
5
Authenticator App -2FA Secure
Authenticator App -2FA Secure
Authenticator App -2FA Secure
Secure Sign into Your Accounts
Free

This app provides a secure way to manage your online accounts with two-factor authentication (2FA). It generates time-based one-time passwords (TOTP) to protect against unauthorized access and offers features like cloud synchronization, a private photo album, and a security center for enhanced digital safety.

Two-factor authentication (2FA) supportGenerates time-based one-time passwords (TOTP)Cloud synchronization for data backup
🔧 Utilities
(3)
free with in-app purchases
6
Authenticator App - 2FA App
Authenticator App - 2FA App
Authenticator App - 2FA App
Multi Factor Authentication
Free
🔧 Utilities
(0)
7
Authenticator App
Authenticator App
Authenticator App
2FA Authentication MFA & OTP
Free

This app provides secure two-factor authentication codes for your online accounts, enhancing security with encryption and backups. It offers seamless synchronization across Apple devices and quick access via widgets, even when offline.

Secure & Private EncryptionEncrypted BackupAutomatic Synchronization
📊 Productivity
(48K)
subscription
8
Authenticator App: SecureGuard
Authenticator App: SecureGuard
Authenticator App: SecureGuard
2FA,MFA, Protect Your Accounts
Free
📊 Productivity
(0)
9
Inalogy Authenticator
Inalogy Authenticator
Inalogy Authenticator
Keycloak Push Authenticator
Free
🔧 Utilities
(0)
10
Okta Verify
Okta Verify
Okta Verify
by Okta, Inc.
Free

This app provides a secure way to verify your identity for account access. It offers two-factor authentication through temporary codes or push notifications. The app prioritizes privacy, only requesting camera access for initial device registration.

Two-step verificationGenerate 6-digit codesApprove sign-in requests via push notification
💼 Business
(37K)
free
11
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
OTP Authenticator, MFA & 2FA
Free
🔧 Utilities
(0)
12
Secure MFA Authenticator 2FA
Secure MFA Authenticator 2FA
Secure MFA Authenticator 2FA
Two-Factor Authentication App
Free
🔧 Utilities
(0)
13
Microsoft Copilot
Microsoft Copilot
Microsoft Copilot
AI-powered productivity
Free

This AI-powered app helps you be more productive at work. Chat with an AI assistant to create content, manage projects, find files, and learn new concepts. It offers voice interaction and expert insights for various tasks.

Chat with AI assistantVoice interactionFind files quickly
📊 Productivity
(1.3M)
free with in-app purchases
14
Saint-Gobain Authenticator
Saint-Gobain Authenticator
Saint-Gobain Authenticator
by Saint-Gobain
Free
💼 Business
(0)
15
APP For MS Authenticator -MFA
APP For MS Authenticator -MFA
APP For MS Authenticator -MFA
2FA, Authentication,MFA,TOTP
Free
🔧 Utilities
(0)
16
Level - 2FA Authenticator
Level - 2FA Authenticator
Level - 2FA Authenticator
TOTP Codes, Backup & Sync
Free
🔧 Utilities
(0)
17
Mobile Authenticator: 2FA, OTP
Mobile Authenticator: 2FA, OTP
Mobile Authenticator: 2FA, OTP
Two Factor Authentication Aрр
Free
📊 Productivity
(0)
18
Authenticator 2FA & OTP – Ring
Authenticator 2FA & OTP – Ring
Authenticator 2FA & OTP – Ring
Secure OTP & Two Factor Codes
Free
📊 Productivity
(0)
19
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Backup,Transfer & Protect Code
Free

This app helps you securely manage two-factor authentication (2FA) and one-time password (OTP) codes for all your accounts. It offers features like code preview, secure data backup and transfer, and a password vault for enhanced digital security.

Manage 2FA and OTP codesPreview upcoming authentication codesSecure password vault
🔧 Utilities
(1)
free with in-app purchases
20
Sherpa Mobile Authentication
Sherpa Mobile Authentication
Sherpa Mobile Authentication
by Identicum LLC
Free
🛠️ Developer Tools
(0)

FAQ about Mobile Authenticator App

What is the best mobile authenticator app for iPhone?
Microsoft Authenticator tops our mobile authenticator app ranking as of August 2026, with a 4.7-star average from 687K App Store ratings, and it's free to download.
Yes — 20 of the top mobile authenticator app we rank are free to download, including Microsoft Authenticator and Google Authenticator.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ mobile authenticator app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Microsoft Authenticator is a mobile application designed to enhance online security. It provides multi-factor authentication (MFA), passwordless login options, and password autofill capabilities for various online accounts, including personal, work, and school accounts.
When MFA is enabled, after entering your password, you'll be prompted to verify your identity. This can be done by approving a notification sent to the app or by entering a time-based one-time password (OTP) generated by the app. These OTP codes refresh every 30 seconds and do not require a network connection.

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