Best Duo Mfa App

239+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Every iPhone needs a few good duo mfa app. We benchmark 239+ 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 Duo Mfa App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duo MobileDuo MobileFree4.9★ (2.2M)NoNoJul 2026
2Authenticator App - MFA, 2FAAuthenticator App - MFA, 2FAFree4.7★ (92)NoYesMay 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (663K)NoNoJul 2026
4Authenticator AppAuthenticator AppFree4.6★ (46K)NoYesJul 2026
5Authenticator+ AppAuthenticator+ AppFree4.5★ (3K)NoYesJul 2026
6Authenticator app - 2FA, MFAAuthenticator app - 2FA, MFAFree4.6★ (5.7K)NoYesJul 2026
7Authenticator Duo: Two FactorAuthenticator Duo: Two FactorFree5.0★ (14)NoYesMay 2026
8Authenticator App - Duo SecureAuthenticator App - Duo SecureFree4.5★ (24)NoYesMay 2026

Top Picks for Duo Mfa App

Duo Mobile#1

Duo Mobile by Duo Security LLC

간소화된 보안
Editor's Choice
💼 Business
4.9😐(2.2M ratings)
Free
#19in 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
Authenticator App - MFA, 2FA#2

Authenticator App - MFA, 2FA by Emilia Cute

Duo Verify Password: OTP, TOTP
Strong Contender
📊 Productivity
4.7(92 ratings)
FreeIn-App Purchases
Authenticator App - MFA, 2FA screenshot 1
Authenticator App - MFA, 2FA screenshot 2
Authenticator App - MFA, 2FA screenshot 3

This app provides two-factor authentication (2FA) to secure your online accounts. It generates one-time tokens on your device, which are used with your password to ensure only authorized users can access your accounts. Features include face recognition security and a personalized interface.

Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(663K ratings)
Free
#10in 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 Duo Mfa 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
📊 Productivity
(46K)
subscription
5
Authenticator+ App
Authenticator+ App
Authenticator+ App
Best VPN for iPhone
Free

This app provides an unlimited proxy and ad blocker for Safari, enhancing your browsing experience. It also offers a VPN manager with numerous servers and a data manager to track Wi-Fi and cellular data usage.

Ad blocking for SafariUnlimited proxy accessVPN server manager
📊 Productivity
(3K)
free with in-app purchases
6
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
🔧 Utilities
(5.7K)
free with in-app purchases
7
Authenticator Duo: Two Factor
Authenticator Duo: Two Factor
Authenticator Duo: Two Factor
2Fa Authy, MFA Authentication
Free

Secure your online accounts with this app that generates and stores two-factor authentication codes. It offers end-to-end encryption, Face ID/Touch ID access, and encrypted iCloud backups for easy restoration across devices. Operate securely offline and import existing tokens.

Generate and store 2FA/MFA tokensScan QR codes or manually input codesEnd-to-end encryption for all codes
🔧 Utilities
(14)
subscription
8
Authenticator App - Duo Secure
Authenticator App - Duo Secure
Authenticator App - Duo Secure
2FA codes for favorite service
Free

Enhance digital security with a multi-factor authenticator app. It provides an extra layer of protection for sensitive accounts and information, working offline for reliable access. Protect email, social media, financial accounts, and more with this user-friendly solution.

Multi-factor authenticationOffline 2FA code generationWide service integration
💼 Business
(24)
free with in-app purchases
9
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authentication App - OTP
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
🔧 Utilities
(4.2K)
free with in-app purchases
10
Authenticator ©
Authenticator ©
Authenticator ©
Authenticator app, 2fa
Free

Secure your online accounts with two-factor authentication tokens. Easily add accounts by scanning QR codes or manual entry. This app also offers password management to store and organize your credentials.

Secure accounts with 2FAAdd accounts via QR code or manual entryPassword management and storage
💼 Business
(2.3K)
free with in-app purchases
11
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
(34K)
free
12
Authenticator: Mobile 2FA, MFA
Authenticator: Mobile 2FA, MFA
Authenticator: Mobile 2FA, MFA
Two Factor Authentication・TOTP
Free

Enhance your online security with this app that generates time-based one-time passwords for two-factor authentication. It securely stores all your accounts in one place and works offline, offering peace of mind against cyber threats.

Generates secure TOTP codesStores all accounts in one appWorks offline
🔧 Utilities
(126)
free with in-app purchases
13
Authenticator App 2FA, MFA
Authenticator App 2FA, MFA
Authenticator App 2FA, MFA
Two Factor Authentication 2fas
Free

Enhance your online security with this two-factor authentication app. It securely stores login credentials and generates time-based one-time passwords for account protection. Easily add accounts via QR code scanning or manual entry.

Secure account storageGenerate 2FA codesQR code scanning
🔧 Utilities
(2)
free with in-app purchases
14
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

Secure your online accounts with industry-standard two-factor authentication. Easily add accounts, generate time-based OTPs, and benefit from encrypted backups. Organize and manage your TFA with features like folders, brand logos, and search.

Add accounts via QR code or manual entryTime-based OTPs (offline access)Encrypted backup and secure recovery
🔧 Utilities
(33K)
free
15
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
📊 Productivity
(12K)
subscription
16
Google Authenticator
Google Authenticator
Google Authenticator
by Google
Free

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.

Offline code generationSync codes across devicesAutomatic QR code setup
🔧 Utilities
(1.1M)
free
17
Authenticator ® App
Authenticator ® App
Authenticator ® App
Two Factor Authentication Aрр
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
📊 Productivity
(3K)
free with in-app purchases
18
Authenticator App ™
Authenticator App ™
Authenticator App ™
Two Factor Authentication
Free

This app provides a secure way to manage two-factor authentication (2FA) for your online accounts. It generates time-based one-time passwords (TOTP) that update every 30 seconds, offering an extra layer of security without needing an internet connection. Features include iCloud backup, cross-device synchronization, and biometric unlock.

Time-based one-time password (TOTP) generationSecure iCloud backup and encryptionSynchronization across all devices
🔧 Utilities
(21K)
free with in-app purchases
19
Authenticator App: 2FA, MFA
Authenticator App: 2FA, MFA
Authenticator App: 2FA, MFA
2 Factor Authentication, Auth
Free

Secure your online accounts with two-factor authentication. This app offers passwordless sign-ins, seamless autofill, and encrypted backups. It supports a vast range of services and works across Apple devices, with advanced security features like Face ID and Touch ID.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Passwordless sign-ins
📊 Productivity
(79)
free with in-app purchases
20
Authenticator App ¹
Authenticator App ¹
Authenticator App ¹
2FA, MFA, Login Authentication
Free

This app provides secure login and identity protection through two-factor authentication (2FA) and password management. It generates one-time passwords for various platforms and offers features like a private browser and VPN.

Generate TOTP 2FA codesFace ID, Touch ID, or password protectionSecure iCloud sync
🔧 Utilities
(210)
subscription

FAQ about Duo Mfa App

What is the best duo mfa app for iPhone?
Duo Mobile tops our duo mfa app ranking as of July 2026, with a 4.9-star average from 2.2M App Store ratings, and it's free to download.
Yes — 20 of the top duo mfa app we rank are free to download, including Duo Mobile and Authenticator App - MFA, 2FA.
Duo Mobile has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 239+ duo mfa app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Duo Mobile enhances login security by providing two-factor authentication. It generates passcodes and allows for one-tap authentication via push notifications to secure your accounts.
The application works with Duo Security's service to offer secure logins. You can generate passcodes directly within the app or approve login requests with a simple tap on a push notification.