Best 2Factor Apps

246+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated August 2026

With an average user rating of 4.4★, the 2factor category is one of the App Store's strongest. Browse all 246+ apps we track, sorted so the most loved ones surface first.

Compare top 2Factor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
32FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
4Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
5Two Factor: AuthenticatorTwo Factor: AuthenticatorFreeNoNoAug 2026
6Authenticator: Secure 2FA AuthAuthenticator: Secure 2FA AuthFree3.7★ (3)YesYesJul 2026
7Authenticator: 2FA Auth & MFAAuthenticator: 2FA Auth & MFAFree5.0★ (2)NoYesAug 2026
8Authenticator App - 2FA / OTPAuthenticator App - 2FA / OTPFree3.9★ (12)YesYesAug 2026

Top Picks for 2Factor

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 Utilities
4.9😞(1.2M ratings)
Free
#4in 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
#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

  • 🚀 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 2Factor 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
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
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
8
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
9
Two Factor Authenticator 2FA
Two Factor Authenticator 2FA
Two Factor Authenticator 2FA
Encrypted MFA, OTP & 2FA App
Free
📊 Productivity
(0)
10
AuthMe - 2Factor Authenticator
AuthMe - 2Factor Authenticator
AuthMe - 2Factor Authenticator
Secure OTP Login Codes & 2FA
Free
🔧 Utilities
(0)
11
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
12
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
13
Authenticator App・2FA | OTP
Authenticator App・2FA | OTP
Authenticator App・2FA | OTP
Two Factor Authentication・TOTP
Free
📊 Productivity
(0)
14
2FA Authenticator Code
2FA Authenticator Code
2FA Authenticator Code
Trusted Two Factor Protection
Free

This app securely stores and displays one-time verification codes for services like email and social media. It offers quick access to codes with a visual timer and automatic refresh, and supports adding services via QR scan or manual entry. Enhanced security features include optional PIN access and code hiding.

Stores one-time verification codesVisual timer for code refreshAutomatic code refresh every 30 seconds
📊 Productivity
(1)
freemium
15
Stress Concentration Factors 2
Stress Concentration Factors 2
Stress Concentration Factors 2
Engineering Calculations
$5.99

This application calculates stress concentration factors for various geometric discontinuities in engineering. It provides nominal and peak stress values, displays relevant equations, and allows users to easily share results via email or print them.

Calculates Stress Concentration FactorMetric and English UnitsNominal and Peak Stress Calculation
📚 Education
(1)
paid
16
Multifactor authentication mfa
Multifactor authentication mfa
Multifactor authentication mfa
Code generator app
Free

This app generates one-time verification codes to secure your online accounts. It supports thousands of services and offers quick setup and offline access. Protect your digital life with an extra layer of security.

Time-based One-Time Passwords (TOTP)Works with thousands of servicesQuick setup via QR codes or manual entry
📊 Productivity
(0)
free with in-app purchases
17
Authenticator 2FA Auth
Authenticator 2FA Auth
Authenticator 2FA Auth
Two-Factor Auth via QR Code
Free
🔧 Utilities
(0)
18
Authenticator App 2FA OTP Auth
Authenticator App 2FA OTP Auth
Authenticator App 2FA OTP Auth
2 Factor Authentication MFA QR
Free

Secure your online accounts with an extra layer of protection. This app generates and stores two-factor authentication codes directly on your device, ensuring your information stays safe from unauthorized access. It offers easy setup, encrypted backups, and offline code generation for continuous security.

Secure and encrypted token storageAutomatic iCloud sync and backupEncrypted backup for recovery
📊 Productivity
(0)
free with in-app purchases
19
WK Two-factor Authentication
WK Two-factor Authentication
WK Two-factor Authentication
by WK Securities Limited
Free
🔧 Utilities
(0)
20
Scale Factor
Scale Factor
Scale Factor
by Manfred Breede
$0.99
💼 Business
(0)

FAQ about 2Factor

What are the best 2factor apps for iPhone?
Google Authenticator tops our 2factor 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 — 18 of the top 2factor 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+ 2factor 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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