Best Two Factor Apps

246+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good two factor apps. We benchmark 246+ 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 Two Factor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
3Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
42FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
5Two Factor: AuthenticatorTwo Factor: AuthenticatorFreeNoNoAug 2026
6Mobile Authenticator-MFA & 2FAMobile Authenticator-MFA & 2FAFreeNoYesAug 2026
7Authenticator app — 2FA, MFAAuthenticator app — 2FA, MFAFreeNoYesJul 2026
8Authenticator: 2FA Auth & MFAAuthenticator: 2FA Auth & MFAFree5.0★ (2)NoYesAug 2026

Top Picks for Two Factor

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 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

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
📊 Productivity
4.7😞(687K ratings)
Free
#4in 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
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.2M ratings)
Free
#12in 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 Two Factor apps to explore

4
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free

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.

Two-factor authenticationToken backup and restoreApp protection with passcode/biometrics
📊 Productivity
(35K)
free
5
Two Factor: Authenticator
Two Factor: Authenticator
Two Factor: Authenticator
by Baulin Roman
Free

This app generates 2-step verification codes for your accounts, keeping your secrets synchronized and protected across your Apple devices. It prioritizes privacy with offline functionality, no tracking, and no data collection.

Offline code generationiCloud synchronizationFace ID/Touch ID access
🔧 Utilities
(0)
free
6
Mobile Authenticator-MFA & 2FA
Mobile Authenticator-MFA & 2FA
Mobile Authenticator-MFA & 2FA
RSA Authentication Арр: OTP
Free
🔧 Utilities
(0)
7
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Two Factor Authenticatior TOTP
Free
🔧 Utilities
(0)
8
Authenticator: 2FA Auth & MFA
Authenticator: 2FA Auth & MFA
Authenticator: 2FA Auth & MFA
2 Factor Security: OTP & TOTP
Free

Secure your digital life with this app, offering easy management of two-factor and multi-factor authentication. Generate codes locally, sync across devices, and use biometric authentication for quick access. Organize accounts with custom labels and icons.

Secure 2FA & MFA code generationCross-platform device syncFace ID & Touch ID support
🔧 Utilities
(2)
free with in-app purchases
9
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Simple 2FA authentication app
Free

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

Two-Factor Authentication (2FA)Multi-Factor Authentication (MFA)TOTP and HOTP Support
🔧 Utilities
(133)
subscription
10
Authenticator App : 2 Factor
Authenticator App : 2 Factor
Authenticator App : 2 Factor
Two Factor Authentication
Free

This app generates secure two-factor authentication codes for your online accounts. It offers cloud backup, customization options, and offline token generation. Protect your accounts with an extra layer of security.

Two-factor authentication token generationCloud backup and restoreCustomizable token appearance
🔧 Utilities
(5)
ad-supported
11
Two Factor Authenticator 2FA
Two Factor Authenticator 2FA
Two Factor Authenticator 2FA
Encrypted MFA, OTP & 2FA App
Free
📊 Productivity
(0)
12
Two factor authenticator
Two factor authenticator
Two factor authenticator
2FA, Two Factor Authentication
Free
🔧 Utilities
(0)
13
Authenticator: Two Factor App
Authenticator: Two Factor App
Authenticator: Two Factor App
MFA & 2FA Verify, Security
Free

This app generates time-based one-time passwords (OTP) to secure your online accounts. It offers quick setup via QR code scanning, regular OTP updates, and works offline. Data is encrypted and can be backed up to iCloud for seamless device synchronization.

Quick MFA token setup via QR codeRegularly updated OTP codesOffline functionality
🔧 Utilities
(6)
subscription
14
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Securely store and generate two-factor authentication (2FA) tokens for your online accounts. Protect your accounts from hackers with an additional layer of security. Features encrypted backups, cross-device synchronization, and a private browser.

Secure 2FA token generationEncrypted iCloud backupsCross-device synchronization
🔧 Utilities
(26K)
free with in-app purchases
15
nAuth - 2FA Authenticator App
nAuth - 2FA Authenticator App
nAuth - 2FA Authenticator App
Secure your Identity
Free
🔧 Utilities
(0)
16
Contia Authenticator
Contia Authenticator
Contia Authenticator
Two-Factor Authentication
Free
📊 Productivity
(0)
17
2 factor authentication
2 factor authentication
2 factor authentication
2fa authenticator app
Free

Enhance your online security with a robust two-step verification process. This app generates time-based one-time passwords for account protection and offers features like encrypted backups and private browsing.

Two-step verificationTime-based one-time passwords (TOTP)Multi-account management
🔧 Utilities
(1)
free
18
2FA Authenticator - MFA Auth
2FA Authenticator - MFA Auth
2FA Authenticator - MFA Auth
2FA and MFA Authenticator App
Free
📊 Productivity
(0)
19
Granted: 2FA Authenticator
Granted: 2FA Authenticator
Granted: 2FA Authenticator
Two-step verification codes
Free

Generate secure, one-time verification codes for your online accounts. This app offers a simple yet powerful way to enhance security with offline functionality, encrypted storage, and broad compatibility. It ensures accessibility for all users, including those with visual impairments.

Generate one-time verification codesQR code, link, or manual setupOffline functionality
🔧 Utilities
(2)
free with in-app purchases
20
WK Two-factor Authentication
WK Two-factor Authentication
WK Two-factor Authentication
by WK Securities Limited
Free
🔧 Utilities
(0)

FAQ about Two Factor

What are the best two factor apps for iPhone?
Google Authenticator tops our two factor apps ranking as of August 2026, with a 4.9-star average from 1.2M App Store ratings, and it's free to download.
Yes — 20 of the top two factor apps we rank are free to download, including Google Authenticator and Microsoft Authenticator.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ two factor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Google Authenticator adds an extra layer of security to your online accounts by generating a second verification code needed to sign in, in addition to your password. This code is generated on your phone.
You can set up your Authenticator accounts automatically by scanning a QR code provided by the service you wish to secure. This is a quick and easy process that ensures correct setup.

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