Best Authenticator Apps

245+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Microsoft Authenticator is the household name in authenticator, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Authenticator

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(652K ratings)
Free
#7in 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

A secure app for easy online account sign-ins, offering multi-factor authentication, passwordless login, and password autofill features. Manage Microsoft and non-Microsoft accounts with added security layers like fingerprint, face ID, or PIN. Stay protected and simplify access to various online services.

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 LLC

Strong Contender
🔧 Utilities
4.9😞(1M ratings)
Free
#5in 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

A secure two-step verification app that generates codes for logging into online accounts, adding an extra layer of security beyond passwords. Easily sync codes across devices, set up accounts with QR codes, and manage multiple accounts in one place. To start securing your accounts, enable 2-Step Verification on your Google Account.

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#3

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Worth Considering
📊 Productivity
4.6😊(46K ratings)
FreeIn-App Purchases
#39in 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

Protect your accounts with an advanced authentication app offering both Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA) features. Secure your online presence now.

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

More Authenticator apps to explore

4
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Secure your online accounts with Authenticator 7, an app that stores and generates secure 2FA tokens for added account protection. Safeguard your accounts from hackers with this easy-to-use two-factor authentication solution.

🔧 Utilities
(26K)
5
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

"Duo Mobile simplifies security by generating passcodes for two-factor authentication and providing easy, one-tap login authentication through push notifications on iOS devices. It also manages two-factor authentication for various other services and applications. Activate and link the app to your Duo account to start using its features."

💼 Business
(2.1M)
6
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
Free

A free multi-factor authentication app that adds an extra layer of security to your account with time-based one-time passwords, push notifications, and mobile security keys. Easily verify your identity and protect your account from hackers.

📊 Productivity
(100K)
7
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free

A secure two-factor authentication app that generates codes for additional account security. Protect your online accounts with an extra layer of verification.

📊 Productivity
(34K)
8
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure all your online accounts with our Authenticator App. Easily scan, generate, and save 2FA codes for enhanced security. Download now for peace of mind online!

📊 Productivity
(12K)
9
Twilio Authy
Twilio Authy
Twilio Authy
by Authy Inc.
Free

A two-factor authentication app for iPhone and iPad, Authy ensures secure account protection through multi-device synchronization, secure cloud backups, and offline token generation. Protect all major accounts and bitcoins with Authy's trusted security features. Visit the website to enhance your account security today: https://www.authy.com.

🔧 Utilities
(52K)
10
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
2FA, Two Factor Authentication
Free
🔧 Utilities
(287)
11
Authenticator™ App
Authenticator™ App
Authenticator™ App
Authenticator App
Free

Securely set up your accounts with Authenticator™ App using QR codes for quick and error-free setup. Backup your data with iCloud for added security and convenience. Get started now to simplify your authentication process.

🔧 Utilities
(239)
12
Authenticator App ™
Authenticator App ™
Authenticator App ™
Two Factor Authentication
Free

Secure your online accounts with an advanced two-factor authentication app that generates time-based codes for enhanced security when logging in. Compatible with over 2,500 websites, streamline your multi-factor authentication setup by scanning QR codes.

🔧 Utilities
(21K)
13
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

"Enhance your online security with a simple, free, and open-source two-factor authentication app. Easily generate unique one-time passwords for your accounts using secure encryption methods, offline capabilities, and support for various password formats. Protect your accounts now!"

🔧 Utilities
(407)
14
Salesforce Authenticator
Salesforce Authenticator
Salesforce Authenticator
by salesforce.com
Free

A mobile app that enhances online account security through multi-factor authentication, using push notifications for quick approval or denial of account activities. It also offers one-time verification codes for offline use and can utilize location services for automatic approvals. Secure your accounts that support time-based one-time passwords with this convenient tool.

💼 Business
(4.1K)
15
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Secure Passwords with 2FA, MFA
Free

Secure your accounts effortlessly with the ultimate Authenticator app for Two-Factor Authentication and Multi-Factor Authentication. With quick setup, cloud backup, and integrated Password Manager, ensure robust security across all your devices. Download now to authenticate with confidence and safeguard your digital life.

🔧 Utilities
(856)
16
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Two Factor Authentication, OTP
Free

Protect your accounts with our free authenticator app that offers 2FA security for various platforms. With support for over 1000 apps, including Apple Watch compatibility, ensure your accounts are secure.

🔧 Utilities
(4.9K)
17
Authenticator ® App
Authenticator ® App
Authenticator ® App
Two Factor Authentication Aрр
Free

Enhance your online security with our all-in-one mobile Authenticator App for 2FA and MFA authentication. Simply scan a QR code to secure your accounts with time-sensitive codes, cloud backups, privacy features, and more. Download today for peace of mind in the digital world!

📊 Productivity
(3K)
18
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

Secure your online accounts with an industry-standard authenticator app. Enable two-factor authentication, back up and sync accounts across all devices easily, and enjoy enhanced security features like passwordless sign-in and biometric authentication. Download now to experience enhanced online security.

🔧 Utilities
(33K)
19
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
by OneSpan International GmbH
Free

A mobile authenticator application designed for quick log-ins with customizable authentication methods like PIN, push, or biometrics. It offers secure activation through self-service and advanced mobile app shielding technology. Visit www.onespan.com/solutions/frictionless-authentication for more details.

💰 Finance
(1.4K)
20
Authenticator App-2FAS・MFA・OTP
Authenticator App-2FAS・MFA・OTP
Authenticator App-2FAS・MFA・OTP
Two Factor Authentication・TOTP
Free

Get secure two-factor authentication and safeguard your online accounts with our app, which provides effortless setup, biometric authentication, and cloud backups for your time-based one-time passcodes. Download and secure your digital life today!

🔧 Utilities
(400)

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