Best Two Factor Authenticator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

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

Compare top Two Factor Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (690K)NoNoSep 2026
32FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
4Duo MobileDuo MobileFree4.9★ (2.2M)NoNoSep 2026
5Two Factor: AuthenticatorTwo Factor: AuthenticatorFreeNoNoAug 2026
6Two factor authenticatorTwo factor authenticatorFreeYesYesAug 2026
7Two Factor AuthenticatorTwo Factor AuthenticatorFree4.4★ (31)NoNoJul 2026
8ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoAug 2026

Top Picks for Two Factor Authenticator

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😞(690K ratings)
Free
#2in 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
2FA Authenticator (2FAS)#3

2FA Authenticator (2FAS) by Two Factor Authentication Service Inc.

#1 Rated 2FA Authenticator
Worth Considering
📊 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

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Lack of password/PIN protection
  • 🕰 No Apple Watch app

More Two Factor Authenticator apps to explore

4
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

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.

Two-factor authenticationPasscode generationPush notification authentication
💼 Business
(2.2M)
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
Two factor authenticator
Two factor authenticator
Two factor authenticator
2FA, Two Factor Authentication
Free
🔧 Utilities
(0)
7
Two Factor Authenticator
Two Factor Authenticator
Two Factor Authenticator
by Vinay Jain
Free

Manage your 2-Step Verification codes with a beautiful, minimal, and organized interface. This app offers a clean aesthetic, folder organization, and secure iCloud sync across Apple devices. Seamlessly import codes and generate them offline.

Minimalist and elegant interfaceOrganize codes with foldersiCloud sync across Apple devices
🔧 Utilities
(31)
free
8
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me
Free

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)Push notification verification
📊 Productivity
(100K)
free
9
Authenticator App - 2FA / OTP
Authenticator App - 2FA / OTP
Authenticator App - 2FA / OTP
Two-Factor Login & Secure MFA
Free

This app provides secure two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backups, cloud sync, and QR code support for easy account management across multiple devices.

Secure 2FA/MFA code generationEncrypted backup and cloud syncQR code account addition
📊 Productivity
(12)
free with in-app purchases
10
Mobile Authenticator: 2FA, OTP
Mobile Authenticator: 2FA, OTP
Mobile Authenticator: 2FA, OTP
Two Factor Authentication Aрр
Free
📊 Productivity
(0)
11
Two Factor Authenticator 2FA
Two Factor Authenticator 2FA
Two Factor Authenticator 2FA
Encrypted MFA, OTP & 2FA App
Free
📊 Productivity
(0)
12
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

This app provides a secure and straightforward way to protect your online accounts. It generates one-time passwords that, when combined with your regular password, significantly enhance your account security. The app operates offline, ensuring your sensitive data remains on your device.

Generates one-time passwordsQR code setupEncrypted data storage
🔧 Utilities
(407)
free
13
2FA Authenticator: OTP Auth
2FA Authenticator: OTP Auth
2FA Authenticator: OTP Auth
Two-Factor 2FA, MFA & OTP
Free
🔧 Utilities
(0)
14
Authenticator: Secure 2FA App
Authenticator: Secure 2FA App
Authenticator: Secure 2FA App
MFA, TOTP Password Auth - 2FAs
Free

This app provides robust two-factor authentication to secure your online accounts. It offers features like account organization, secure password storage, and cross-device synchronization for enhanced digital identity protection.

Two-factor authentication (2FA)Account creation via QR code or manual entryAccount organization with folders
🔧 Utilities
(31)
free with in-app purchases
15
Authenticator App | Two Factor
Authenticator App | Two Factor
Authenticator App | Two Factor
Secure TOTP & MFA Code Manager
Free
🔧 Utilities
(0)
16
Secure MFA Authenticator 2FA
Secure MFA Authenticator 2FA
Secure MFA Authenticator 2FA
Two-Factor Authentication App
Free
🔧 Utilities
(0)
17
Inalogy Authenticator
Inalogy Authenticator
Inalogy Authenticator
Keycloak Push Authenticator
Free
🔧 Utilities
(0)
18
MS Authenticator App
MS Authenticator App
MS Authenticator App
2FA, Two Factor Authentication
Free
🔧 Utilities
(0)
19
Authenticator App - 2FA AI
Authenticator App - 2FA AI
Authenticator App - 2FA AI
Two factor Authentication-OTP
Free
🔧 Utilities
(0)
20
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

FAQ about Two Factor Authenticator

What are the best two factor authenticator apps for iPhone?
Google Authenticator tops our two factor authenticator 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 authenticator 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 250+ two factor authenticator 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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