Best Two Factor Authenticator App

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.5★, the two factor authenticator app category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Two Factor Authenticator App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
2Authenticator AppAuthenticator AppFree4.6★ (48K)NoYesAug 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
4Two Factor Authenticator & OTPTwo Factor Authenticator & OTPFree4.5★ (133)NoYesAug 2026
5Authenticator: 2FA Auth & MFAAuthenticator: 2FA Auth & MFAFree5.0★ (2)NoYesAug 2026
6Authenticator: Secure 2FA AuthAuthenticator: Secure 2FA AuthFree3.7★ (3)YesYesJul 2026
72FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
8Authenticator App - 2FA TotpAuthenticator App - 2FA TotpFree4.5★ (24)NoYesAug 2026

Top Picks for Two Factor Authenticator App

Google Authenticator#1

Google Authenticator by Google LLC

Editor's Choice
🔧 Utilities
4.9😞(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

  • 👍 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
Authenticator App#2

Authenticator App by 2Stable

2FA Authentication MFA & OTP
Strong Contender
📊 Productivity
4.6😊(48K ratings)
FreeIn-App Purchases
#44in Productivity
Authenticator App screenshot 1
Authenticator App screenshot 2
Authenticator App screenshot 3
Authenticator App screenshot 4
Authenticator App screenshot 5
Authenticator App screenshot 6

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.

What We Love

  • 🚀 Works well
  • 🔒 Secure and reliable
  • 👍 Easy to use and set up
  • 💡 Excellent cross-device sync and backup

Room to Improve

  • 🐛 Compatibility issues with newer devices
  • 💰 Expensive subscription
  • 🔒 Limited free version
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(677K 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

More Two Factor Authenticator App apps to explore

4
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
5
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
6
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
🔧 Utilities
(3)
free with in-app purchases
7
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
8
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
🔧 Utilities
(24)
freemium
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
🔧 Utilities
(58)
free with in-app purchases
10
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Two Factor Authenticatior TOTP
Free
🔧 Utilities
(0)
11
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
12
Authenticator App₊
Authenticator App₊
Authenticator App₊
For 2FA MFA OTP Two ID Verify
Free

This app generates secure, time-based one-time passwords (TOTP) for two-factor authentication (2FA) and multi-factor authentication (MFA). It supports QR code scanning and manual setup, works offline, and offers encrypted backups and iCloud sync across Apple devices.

Secure 2FA & MFA code generationQR code scanner and manual setupOffline authentication codes
🔧 Utilities
(1)
free with in-app purchases
13
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
🔧 Utilities
(61)
free with in-app purchases
14
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
15
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
16
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
17
Contia Authenticator
Contia Authenticator
Contia Authenticator
Two-Factor Authentication
Free
📊 Productivity
(0)
18
Authenticator App : Keyzy
Authenticator App : Keyzy
Authenticator App : Keyzy
2fa, Two Factor Authentication
Free

This app generates secure, offline two-factor authentication codes for all your major online accounts. It offers iCloud sync for Apple devices and allows for easy organization and deletion of codes. Upgrade for unlimited accounts and advanced categorization.

Supports major platforms (Google, Instagram, Facebook, GitHub)Import 2FA codes from screenshotsiCloud Sync across Apple devices
🔧 Utilities
(2)
free with in-app purchases
19
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Secure 2FA for All Accounts
Free
🔧 Utilities
(0)
20
2FA.Authenticator - SecureKey
2FA.Authenticator - SecureKey
2FA.Authenticator - SecureKey
by Murat Dikenci
Free
🔧 Utilities
(0)

FAQ about Two Factor Authenticator App

What is the best two factor authenticator app for iPhone?
Google Authenticator tops our two factor authenticator app ranking as of August 2026, with a 4.9-star average from 1.1M App Store ratings, and it's free to download.
Yes — 20 of the top two factor authenticator app we rank are free to download, including Google Authenticator and Authenticator App.
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 app 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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