Best Authenticator App Security

242+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

Whether you're new to authenticator app security or looking for an upgrade, our curated collection of 242+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Authenticator App Security

Authenticator App#1

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Editor's Choice
📊 Productivity
4.6😊(46K ratings)
FreeIn-App Purchases
#41in Productivity
Authenticator App screenshot 1
Authenticator App screenshot 2
Authenticator App screenshot 3
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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.

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
Authenticator App - OneAuth#2

Authenticator App - OneAuth by Zoho Corporation

Secure your online accounts
Strong Contender
🔧 Utilities
4.7😞(33K ratings)
Free
Authenticator App - OneAuth screenshot 1
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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.

What We Love

  • 🚀 Quick and efficient
  • 🔒 Very secure
  • 👍 Easy to use
  • 💡 Has Apple Watch app

Room to Improve

  • 🐛 Unreliable notifications
  • 🐛 Confusing user interface
  • 🐛 Inconsistent behavior
Salesforce Authenticator#3

Salesforce Authenticator by salesforce.com

Worth Considering
💼 Business
4.6😐(4.1K ratings)
Free
Salesforce Authenticator screenshot 1
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Enhance your online security with multi-factor authentication. This app sends push notifications to your device for identity verification, allowing you to approve or deny login attempts with a simple tap. It also offers one-time verification codes for offline use and can automate approvals for trusted locations.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure authentication
  • 👍 Easy to use
  • 🔋 Reliable backup feature

Room to Improve

  • 🐛 Inconsistent location tracking
  • 🐛 Frequent re-authentication required
  • 🐛 Unreliable push notifications

More Authenticator App Security apps to explore

4
Authenticator App†
Authenticator App†
Authenticator App†
2FA Authentication MFA OTP
Free

Secure your online accounts with a versatile two-factor authentication solution. Manage all your authentication codes in one place, offering enhanced security for websites, services, and crypto wallets. Supports biometric access and offline code generation.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)
🔧 Utilities
(1.8K)
free with in-app purchases
5
Authenticator App ⁸
Authenticator App ⁸
Authenticator App ⁸
Authentication app, Password
Free

This app enhances password management and recall through memory-testing features and secure storage. It also provides two-factor authentication for an extra layer of online security.

Password recall testsSecure password managerTwo-factor authentication
💼 Business
(720)
free with in-app purchases
6
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
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
7
Authenticator App  #1
Authenticator App  #1
Authenticator App #1
Sign In to All Your Accounts
Free

Securely manage your online accounts with a fast and intuitive authenticator and QR scanner. Easily set up two-factor authentication and access your codes quickly. Keep track of your scan history for convenient access.

Setup 2FA accounts easilyScan QR code & BarcodeManage scan history
🔧 Utilities
(1.3K)
free with in-app purchases
8
Google Authenticator
Google Authenticator
Google Authenticator
by Google LLC
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
9
Authenticator App.
Authenticator App.
Authenticator App.
Authenticator, 2FA, SmartDo
Free

This app generates verification codes to secure your accounts and simplify logins. It also offers AI-powered to-do list management with voice and text input, and customizable widgets for quick task access.

Generate time-based one-time passwords (TOTP)AI-powered to-do list managementVoice and text input for tasks
📊 Productivity
(47)
free with in-app purchases
10
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
11
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.

Multi-Factor Authentication (MFA)Passwordless Security with PasskeysOne-Time Passcodes (OTP)
💼 Business
(319)
free
12
The Authenticator‎ App
The Authenticator‎ App
The Authenticator‎ App
Authenticate - 2FA, MFA, OTP
Free

Enhance your online security with this app, which generates one-time passwords for two-factor authentication. It helps protect your accounts from unauthorized access and secures your personal data. Cloud storage is available for managing your keys and passwords.

Two-factor authentication (2FA)Multi-factor authentication (MFA)One-time password (OTP) generation
📊 Productivity
(2.6K)
subscription
13
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
14
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
OTP Two Factor for ID Verify
Free

This app provides secure two-factor authentication (2FA) codes for thousands of online accounts. It also offers a password manager with autofill, encrypted backups, and cross-device sync for enhanced digital security.

Two-Factor Authentication (2FA) codesPassword Manager with AutofillEncrypted Backups
📊 Productivity
(2.2K)
free with in-app purchases
15
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
16
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
17
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Secure Passwords with 2FA, MFA
Free

Secure your online accounts with two-factor and multi-factor authentication. Generates time-based one-time passwords (TOTP) and OTP codes for fast, reliable logins. Includes a built-in password manager and encrypted backup for all your credentials.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)
🔧 Utilities
(880)
free with in-app purchases
18
Epic Games
Epic Games
Epic Games
Secure sign-in and text chat
Free

Stay connected with friends across the Epic Ecosystem through cross-platform text chat. This app also provides secure sign-in with an authenticator for fast, two-factor verification on any device, protecting your account and progress.

Cross-platform text chatGroup chats up to 16 membersSecure sign-in with Epic Authenticator
🔧 Utilities
(524)
free with in-app purchases
19
Secure Authenticator: OTP, MFA
Secure Authenticator: OTP, MFA
Secure Authenticator: OTP, MFA
Powerful 2FA for Security
Free

This app provides robust two-factor authentication (2FA) to safeguard your online accounts and sensitive data from cyber threats. It offers a straightforward way to manage authentication tokens and secure your logins with ease.

Generate 2FA tokensManage authentication tokensSecure login protection
📊 Productivity
(6)
freemium
20
Authenticator™ App
Authenticator™ App
Authenticator™ App
Authenticator App
Free

This app generates secure, time-based one-time passwords for two-factor authentication. It supports automatic setup via QR code and works offline, synchronizing across Apple devices with iCloud backup and encryption.

Automatic QR code setupOffline code generationiCloud Backup & Encryption
🔧 Utilities
(239)
free with in-app purchases