Best Authenticator App Security

242+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 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
#38in 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
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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Authenticator App - OneAuth screenshot 5
Authenticator App - OneAuth screenshot 6

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.

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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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.

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

This application provides secure two-factor authentication for enhanced account protection. Easily set up and manage verification codes for your accounts with this powerful tool. Download now for enhanced security!

🔧 Utilities
(1.8K)
5
Authenticator App ⁸
Authenticator App ⁸
Authenticator App ⁸
Authentication app, Password
Free

Get a secure password manager and authenticator in one app, designed to help you recall passwords effectively and protect your digital identity with two-factor authentication and secure storage. Download the app to enhance your password security today!

💼 Business
(720)
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
Google Authenticator
Google Authenticator
Google Authenticator
by Google
Free

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.

🔧 Utilities
(1M)
8
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)
9
Authenticator App  #1
Authenticator App  #1
Authenticator App #1
Sign In to All Your Accounts
Free

A lightning-fast 2FA authentication app with QR scanning capabilities and smart features for secure logins. Simplify your authentication process with our user-friendly design.

🔧 Utilities
(1.3K)
10
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides strong authentication through OTP credentials, cloud-based MFA, push notifications, and biometrics for enhanced security. It is suitable for iOS and macOS users looking for a secure and convenient authentication solution. Check the App Store for more information.

💼 Business
(319)
11
Authenticator App.
Authenticator App.
Authenticator App.
Authenticator, 2FA, SmartDo
Free
📊 Productivity
(0)
12
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)
13
The Authenticator‎ App
The Authenticator‎ App
The Authenticator‎ App
Authenticate - 2FA, MFA, OTP
Free

Enhance your account security with our Authenticator App for 2FA, MFA, and OTP. Safeguard your data with cloud storage, generate secure passwords, and enjoy double account protection. Take control of your security today!

📊 Productivity
(2.6K)
14
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)
15
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
OTP Two Factor for ID Verify
Free

This application provides secure two-factor authentication for your accounts, ensuring added protection against unauthorized access. Safeguard your online presence with ease by downloading the app now.

📊 Productivity
(2.2K)
16
2FA Authenticator App - Locker
2FA Authenticator App - Locker
2FA Authenticator App - Locker
MFA,Two Factor,Auth,Passwords
Free

This application provides a secure and easy-to-use two-factor authentication and password management solution, allowing users to generate time-sensitive codes, store passwords, and monitor accounts for data breaches. With features like cloud backup, biometric encryption, and support for over 1000 apps, users can add an extra layer of security to their online accounts and manage them from one point.

🔧 Utilities
(28)
17
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Simple 2FA authentication app
Free

The application provides a robust two-factor authentication (2FA) and multi-factor authentication (MFA) solution, ensuring the security of your sensitive information. With features like TOTP and HOTP support, encrypted data storage, and user-friendly design, this app empowers you to take control of your digital safety. Download it today and experience top-level online security.

🔧 Utilities
(133)
18
Secure Authenticator: OTP, MFA
Secure Authenticator: OTP, MFA
Secure Authenticator: OTP, MFA
Powerful 2FA for Security
Free

This application provides a simple and effective way to enable two-factor authentication, protecting online accounts and personal data from cyber threats. With its easy-to-use interface, users can generate 2FA tokens, and also enjoy additional features like backup and sync, and password protection with a subscription.

📊 Productivity
(6)
19
Authenticator App - Two Factor
Authenticator App - Two Factor
Authenticator App - Two Factor
Two-factor - Duo Security
Free

Secure all your online accounts with our must-have Authenticator App - Two Factor. Our app provides simple and free Two Factor Authentication (2FA) solutions to keep your accounts safe with 6-digit Time-Based One-Time Passwords (TOTP). Protect your accounts from hackers by adding an extra layer of security today.

🔧 Utilities
(400)
20
2 factor - Authenticator App
2 factor - Authenticator App
2 factor - Authenticator App
MFA Authenticator
Free

Protect your online accounts with ease using our 2FA Authenticator App. Enhance security by generating unique time passwords for added protection. Secure your accounts and keep your files safe in a vault.

📊 Productivity
(167)