Best Two Factor Authenticator App

235+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.6โ˜…, the two factor authenticator app category is one of the App Store's strongest. Browse all 235+ apps we track, sorted so the most loved ones surface first.

Top Picks for Two Factor Authenticator App

Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
๐Ÿ“Š Productivity
4.7๐Ÿ˜ž(663K 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

  • ๐Ÿš€ Seamless authentication
  • ๐Ÿ”’ Secure login process
  • ๐Ÿ‘ Convenient passwordless sign-in
  • ๐Ÿš€ Smooth app performance

Room to Improve

  • ๐Ÿ› Broken Apple Watch functionality
  • ๐Ÿ› Backup and restore issues
  • ๐Ÿ› Confusing login flow
Google Authenticator#3

Google Authenticator by Google LLC

Worth Considering
๐Ÿ”ง Utilities
4.9๐Ÿ˜ž(1.1M 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

  • ๐Ÿ‘ User-friendly
  • ๐Ÿ”’ Secure authentication
  • ๐Ÿš€ Simple and fast
  • ๐Ÿ”’ Reliable security

Room to Improve

  • ๐Ÿ› Randomly deleted all codes
  • ๐Ÿ› Unreliable, lost access to accounts
  • ๐Ÿ› Timing issues, codes didn't work

More Two Factor Authenticator App apps to explore

4
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
๐Ÿ“Š Productivity
(46K)
subscription
5
Authenticator App - 2FA Totp
Authenticator App - 2FA Totp
Authenticator App - 2FA Totp
MFA Authentication 2 Factor
Free

This app generates secure one-time passwords for your online accounts, offering an extra layer of protection for email, social media, banking, and work platforms. It supports TOTP and HOTP standards, allows easy account setup via QR code or manual entry, and ensures your data stays private and encrypted on your device.

TOTP & HOTP code generationQR code scanning for setupSecure on-device storage
๐Ÿ”ง Utilities
(24)
freemium
6
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
๐Ÿ”ง Utilities
(133)
subscription
7
Authenticator: Secure 2FA Auth
Authenticator: Secure 2FA Auth
Authenticator: Secure 2FA Auth
2 Factor Authentication: MFA
Free

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

Organize 2FA tokens and passwordsOffline code generationBuilt-in secure browser
๐Ÿ”ง Utilities
(3)
free with in-app purchases
8
Authenticator: Secure 2FA, MFA
Authenticator: Secure 2FA, MFA
Authenticator: Secure 2FA, MFA
2 Step Verification Auth: TOTP
Free

This app provides two-factor authentication to secure your online accounts. It generates time-based one-time passwords for various services, offering features like cloud backup, biometric protection, and offline code generation. Protect your digital life with this reliable and user-friendly security solution.

Time-based one-time passwords (TOTP)Secure cloud backup and syncBiometric and PIN protection
๐Ÿ”ง Utilities
(61)
free with in-app purchases
9
Two Factor Authenticator App
Two Factor Authenticator App
Two Factor Authenticator App
Simple 2FA Authentication
Free

Generate and store secure two-factor authentication codes for enhanced online account protection. Easily set up tokens via QR code scanning and access codes instantly with widgets and FaceID. Enjoy offline code generation and private browsing.

Secure 2FA code generationQR code setupSeamless device sync
๐Ÿ”ง Utilities
(58)
free with in-app purchases
10
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
2 Factor Auth: OTP & Verify
Free

This app simplifies online security by enabling two-factor authentication for all your accounts in one place. It offers secure backups, biometric locks, and seamless device syncing for a private and user-friendly experience.

Two-factor authentication managementSecure token backupsPasscode and biometric app lock
๐Ÿ”ง Utilities
(29)
freemium
11
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure your online accounts with this app. It generates and stores two-factor authentication codes for popular services. Features include QR code scanning, end-to-end encryption, and device syncing.

Generate and store 2FA/MFA codesScan QR codes or enter manuallyEnd-to-end encryption
๐Ÿ“Š Productivity
(12K)
subscription
12
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
๐Ÿ’ผ Business
(2.2M)
free
13
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Mobile 2FA for your Security
Free

This app provides secure storage and management of two-factor authentication codes directly on your device. It offers end-to-end encryption for all data, including cloud backups, ensuring your online accounts are protected without needing an internet connection.

Secure 2FA code storageEnd-to-end encryptionEncrypted cloud backups
๐Ÿ“ฐ Magazines & Newspapers
(34)
subscription
14
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Two Factor Authentication, OTP
Free

This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Supports 1000+ apps
๐Ÿ”ง Utilities
(5.7K)
free with in-app purchases
15
Authenticator ยฎ App
Authenticator ยฎ App
Authenticator ยฎ App
Two Factor Authentication Aั€ั€
Free

This app enhances online security by managing two-factor authentication codes for over 1,000 applications. It offers features like password leak detection, VPN protection, and secure password autofill, with cloud backups and biometric security options.

Two-factor authentication code generationPassword leak detectionVPN protection
๐Ÿ“Š Productivity
(3K)
free with in-app purchases
16
Mobile Authenticator๏ผMFA & 2FA
Mobile Authenticator๏ผMFA & 2FA
Mobile Authenticator๏ผMFA & 2FA
RSA Authentication ะั€ั€: OTP
Free
๐Ÿ”ง Utilities
(0)
17
2 factor - Authenticator App
2 factor - Authenticator App
2 factor - Authenticator App
MFA Authenticator
Free

Enhance your online security with this free and private two-factor authentication app. It adds an extra layer of protection to your accounts using unique time-based passwords and offers a secure vault for your files. Synchronization ensures your security is consistent across all your devices.

Secure and private authenticationSynchronization across devicesSupports all online accounts
๐Ÿ“Š Productivity
(167)
free
18
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
๐Ÿ“Š Productivity
(34K)
free
19
Authenticator: AuthSnap
Authenticator: AuthSnap
Authenticator: AuthSnap
Fast. Safe. Verified.
Free

This app simplifies online security by generating one-time passcodes for two-factor authentication. It supports both time-based and counter-based algorithms and offers easy setup via QR code scanning.

QR code scanning for setupTOTP and HOTP supportUser-friendly interface
๐Ÿ”ง Utilities
(11)
freemium
20
Authenticator โ„  App
Authenticator โ„  App
Authenticator โ„  App
2FA, Two Factor Authentication
Free

Secure your online accounts with standards-based two-factor authentication. This app generates time-based one-time passwords directly on your device, offering a reliable second step for sign-ins without relying on SMS codes. Protect personal and work accounts across various platforms.

Secure TOTP verification codesFast and easy account setupFull control over 2FA accounts
๐Ÿ”ง Utilities
(4K)
free with in-app purchases

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