Best Duo Mfa App

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good duo mfa app. We benchmark 250+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
3Authenticator App - MFA, 2FAAuthenticator App - MFA, 2FAFree4.7★ (92)NoYesMay 2026
42FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
5Authenticator App 2FA, MFAAuthenticator App 2FA, MFAFree5.0★ (2)NoYesJul 2026
6Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (33K)NoNoAug 2026
7Authenticator App : 2FA • MFAAuthenticator App : 2FA • MFAFreeNoYesAug 2026
8Authenticator: MFA Auth & TOTPAuthenticator: MFA Auth & TOTPFreeNoYesMay 2026

Top Picks for Duo Mfa App

Duo Mobile#1

Duo Mobile by Duo Security LLC

Security made simple
Editor's Choice
💼 Business
4.9😐(2.2M ratings)
Free
#8in 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
Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
📊 Productivity
4.7😞(677K 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
Authenticator App - MFA, 2FA#3

Authenticator App - MFA, 2FA by Emilia Cute

Duo Verify Password: OTP, TOTP
Worth Considering
📊 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.

More Duo Mfa App apps to explore

4
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
5
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
6
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
7
Authenticator App : 2FA • MFA
Authenticator App : 2FA • MFA
Authenticator App : 2FA • MFA
2FA Authentication MFA & OTP
Free
🔧 Utilities
(0)
8
Authenticator: MFA Auth & TOTP
Authenticator: MFA Auth & TOTP
Authenticator: MFA Auth & TOTP
2 Step Authentication: 2FA OTP
Free
🔧 Utilities
(0)
9
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
10
Google Meet
Google Meet
Google Meet
Video calling and meetings
Free

Connect with friends, family, and colleagues through high-quality video calls and meetings. Schedule calls, send video messages, or join spontaneous conversations. Enhance interactions with features like real-time captions, in-call chat, and engaging effects.

High-quality video callsScheduled meetingsVideo messages
🌐 Social Networking
(2.3M)
freemium
11
Okta Verify
Okta Verify
Okta Verify
by Okta, Inc.
Free

This app provides a secure way to verify your identity for account access. It offers two-factor authentication through temporary codes or push notifications. The app prioritizes privacy, only requesting camera access for initial device registration.

Two-step verificationGenerate 6-digit codesApprove sign-in requests via push notification
💼 Business
(37K)
free
12
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
(2)
free with in-app purchases
13
Authenticator App · 2FA, MFA
Authenticator App · 2FA, MFA
Authenticator App · 2FA, MFA
Secure OTP, Tokens & Passwords
Free

Secure your online accounts with time-based one-time passwords (TOTP) instead of SMS. Protect emails, social media, crypto wallets, and more with biometric locks and encrypted backups. Offers fast QR code setup and works offline.

Universal account support (10,000+ services)Face ID & Biometric lockEncrypted iCloud backup
🔧 Utilities
(3)
free with in-app purchases
14
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
15
RecordMy MFA
RecordMy MFA
RecordMy MFA
Authenticator for RecordMy
Free
🔧 Utilities
(0)
16
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Manage Passwords & Cloud Sync
Free
🔧 Utilities
(0)
17
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Authenticator - 2FA & MFA
Secure 2FA for All Accounts
Free
🔧 Utilities
(0)
18
Securepass MFA
Securepass MFA
Securepass MFA
by Calibsoft Technologies
Free
📊 Productivity
(0)
19
Authenticator App 2FA Secured
Authenticator App 2FA Secured
Authenticator App 2FA Secured
Protect accounts 2FA & MFA
Free
🔧 Utilities
(0)
20
Authentication App - MFA, tOTP
Authentication App - MFA, tOTP
Authentication App - MFA, tOTP
Authenticator 2FA, Two Factor
Free

Enhance your online account security with this two-factor authentication utility. Easily add accounts by scanning QR codes or entering details manually. Securely back up and sync your data with iCloud Keychain for device loss or upgrades.

Two-factor authentication (2FA)QR code scanning for account setupManual account detail entry
🔧 Utilities
(591)
freemium

FAQ about Duo Mfa App

What is the best duo mfa app for iPhone?
Duo Mobile tops our duo mfa app ranking as of August 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 Microsoft Authenticator.
Duo Mobile has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ duo mfa app on the iOS App Store as of August 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.