Best Otp Authenticator App

245+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Finding the right otp authenticator app app can be overwhelming with so many options. We've analyzed 245+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Otp Authenticator App

Google Authenticator#1

Google Authenticator by Google LLC

Editor's Choice
🔧 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
Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
📊 Productivity
4.7😞(652K ratings)
Free
#5in 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

More Otp Authenticator App apps to explore

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

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.

📊 Productivity
(46K)
5
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)
6
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)
7
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)
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 ™
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)
10
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)
11
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)
12
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)
13
Authenticator App: 2FA MFA OTP
Authenticator App: 2FA MFA OTP
Authenticator App: 2FA MFA OTP
Two Factor OTP Authentication
Free

"Secure your online accounts with Authenticator Plus 2FA, a powerful two-factor authentication tool that generates time-sensitive codes for enhanced protection. Easily set up multi-factor authentication and enjoy secure access across 2,500+ websites and services. Experience a streamlined interface, high security, and seamless backup features without any account setup hassle. Scan a QR code to get started now!"

🔍 Reference
(193)
14
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)
15
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)
16
Authenticator App – 2FA & OTP
Authenticator App – 2FA & OTP
Authenticator App – 2FA & OTP
Authentication 2FA / OTP / MFA
Free

Experience top-notch security with our Authenticator App, offering effortless 2 Factor Authentication via QR code scanning, support for various services, enhanced 8-digit token security, and a built-in Password Manager. Stay secure on the go with our user-friendly interface. Download now for a more secure digital life!

🔍 Reference
(136)
17
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)
18
Authenticator ° - 2FA,MFA, OTP
Authenticator ° - 2FA,MFA, OTP
Authenticator ° - 2FA,MFA, OTP
2FA Authentication App For iOS
Free

Get robust protection for your online accounts with this powerful authentication tool, which provides smooth and strong two-factor authentication and multi-factor authentication codes. Download the app to safeguard your data and stay protected from unauthorized access, with features like secure code generation, syncing across multiple devices, and offline functionality.

🔧 Utilities
(136)
19
Authenticator App: 2FA・MFA・OTP
Authenticator App: 2FA・MFA・OTP
Authenticator App: 2FA・MFA・OTP
Two Factor Authentication MFA
Free

2FA Authenticator: MFA is a top-level security application that provides two-factor authentication for securing accounts. With its multifactor authentication capabilities, it ensures an extra layer of protection for user accounts. Protect your online presence now with 2FA Authenticator: MFA.

📊 Productivity
(196)
20
Authenticator App- MFA,2FA,OTP
Authenticator App- MFA,2FA,OTP
Authenticator App- MFA,2FA,OTP
Authentication- Secure ID,2FAS
Free

This essential security app generates and stores secure 2FA and MFA tokens for all your online accounts, providing robust protection with bank-grade encryption, biometric unlock, and offline functionality. Download it today to fortify your digital life with effortless security and take control of your online safety.

💼 Business
(42)