Best Windows Authenticator Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

If you already know Microsoft Authenticator, this is the deeper bench. 250+ windows authenticator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Windows Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
3Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
42FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoAug 2026
5ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoAug 2026
6Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (33K)NoNoAug 2026
7Authenticator App 2FA — LokioAuthenticator App 2FA — LokioFreeNoYesAug 2026
8Authenticator app — 2FA, MFAAuthenticator app — 2FA, MFAFreeNoYesJul 2026

Top Picks for Windows Authenticator

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(687K 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
Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 Utilities
4.9😞(1.2M 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
Duo Mobile#3

Duo Mobile by Duo Security LLC

Security made simple
Worth Considering
💼 Business
4.9😐(2.2M ratings)
Free
#12in 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

More Windows Authenticator 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
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
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 — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
8
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Two Factor Authenticatior TOTP
Free
🔧 Utilities
(0)
9
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
10
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
11
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Backup,Transfer & Protect Code
Free

This app helps you securely manage two-factor authentication (2FA) and one-time password (OTP) codes for all your accounts. It offers features like code preview, secure data backup and transfer, and a password vault for enhanced digital security.

Manage 2FA and OTP codesPreview upcoming authentication codesSecure password vault
🔧 Utilities
(1)
free with in-app purchases
12
Authenticator: MFA Auth & TOTP
Authenticator: MFA Auth & TOTP
Authenticator: MFA Auth & TOTP
2 Step Authentication: 2FA OTP
Free
🔧 Utilities
(0)
13
Inalogy Authenticator
Inalogy Authenticator
Inalogy Authenticator
Keycloak Push Authenticator
Free
🔧 Utilities
(0)
14
Rainbow Authenticator
Rainbow Authenticator
Rainbow Authenticator
by 彦欣 吴
Free
📊 Productivity
(0)
15
Authenticator 2FA & OTP – Ring
Authenticator 2FA & OTP – Ring
Authenticator 2FA & OTP – Ring
Secure OTP & Two Factor Codes
Free
📊 Productivity
(0)
16
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
17
TrustBuilder Authenticator
TrustBuilder Authenticator
TrustBuilder Authenticator
by In-Webo Technologies
Free

Generate secure one-time passwords (OTPs) for enhanced account security. Supports push notifications for quick approvals and an offline mode for access without an internet connection.

One-Time Password (OTP) generationPush notification supportOffline mode
🔧 Utilities
(5)
free
18
Authenticator App 2FA Secured
Authenticator App 2FA Secured
Authenticator App 2FA Secured
Protect accounts 2FA & MFA
Free
🔧 Utilities
(0)
19
Bitwarden Authenticator
Bitwarden Authenticator
Bitwarden Authenticator
Generate 2FA on your device
Free

Generate secure verification codes for two-factor authentication on your device. This app supports any website or application using industry-standard TOTP, adding an extra layer of protection to your online accounts.

Generate 2FA verification codesSupports TOTP standardUniversal compatibility
📊 Productivity
(95)
free
20
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

FAQ about Windows Authenticator

What are the best windows authenticator apps for iPhone?
Microsoft Authenticator tops our windows authenticator apps ranking as of August 2026, with a 4.7-star average from 687K App Store ratings, and it's free to download.
Yes — 20 of the top windows authenticator apps we rank are free to download, including Microsoft Authenticator and Google Authenticator.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ windows authenticator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Microsoft Authenticator is a mobile application designed to enhance online security. It provides multi-factor authentication (MFA), passwordless login options, and password autofill capabilities for various online accounts, including personal, work, and school accounts.
When MFA is enabled, after entering your password, you'll be prompted to verify your identity. This can be done by approving a notification sent to the app or by entering a time-based one-time password (OTP) generated by the app. These OTP codes refresh every 30 seconds and do not require a network connection.

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