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Best Free Otp Authenticator Apps

237+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated April 2026

Whether you're new to free otp authenticator or looking for an upgrade, our curated collection of 237+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Free Otp Authenticator

FreeOTP Authenticator#1

FreeOTP Authenticator by Red Hat, Inc.

Editor's Choice
๐Ÿ”ง Utilities
3.2๐Ÿ˜(166 ratings)
Free
FreeOTP Authenticator screenshot 1
FreeOTP Authenticator screenshot 2

FreeOTP Authenticator enhances online account security by generating one-time passwords on mobile devices, offering extra protection beyond regular passwords. It supports popular online services like Google and Facebook, and can be used for corporate security with TOTP or HOTP protocols. Open source under the Apache 2.0 license.

What We Love

  • ๐Ÿš€ Simple and lightweight
  • ๐Ÿ”’ Open source and privacy-focused
  • ๐Ÿ‘ Clean and intuitive interface
  • ๐Ÿ’ก Customizable icons for accounts

Room to Improve

  • ๐Ÿ› Crashes and bugs after recent updates
  • ๐Ÿ”’ Lack of backup/restore functionality
  • ๐Ÿ’ก Limited customization options
Google Authenticator#2

Google Authenticator by Google LLC

Strong Contender
๐Ÿ”ง Utilities
4.9๐Ÿ˜ž(1M 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

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

  • ๐Ÿ‘ User-friendly
  • ๐Ÿ”’ Secure authentication
  • ๐Ÿš€ Simple and fast
  • ๐Ÿ”’ Reliable security

Room to Improve

  • ๐Ÿ› Randomly deleted all codes
  • ๐Ÿ› Unreliable, lost access to accounts
  • ๐Ÿ› Timing issues, codes didn't work
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
๐Ÿ“Š Productivity
4.7๐Ÿ˜ž(652K 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

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

  • ๐Ÿš€ Seamless authentication
  • ๐Ÿ”’ Secure login process
  • ๐Ÿ‘ Convenient passwordless sign-in
  • ๐Ÿš€ Smooth app performance

Room to Improve

  • ๐Ÿ› Broken Apple Watch functionality
  • ๐Ÿ› Backup and restore issues
  • ๐Ÿ› Confusing login flow

More Free Otp Authenticator apps to explore

4
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."

๐Ÿ’ผ Business
(2.1M)
5
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.

๐Ÿ”ง Utilities
(52K)
6
OTP Authenticator
OTP Authenticator
OTP Authenticator
by Swiss SafeLab GmbH
Free
๐Ÿ”ง Utilities
(0)
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.

๐Ÿ“Š Productivity
(34K)
8
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.

๐Ÿ“Š Productivity
(46K)
9
Authenticator App โ„ข
Authenticator App โ„ข
Authenticator App โ„ข
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.

๐Ÿ”ง Utilities
(21K)
10
Authenticator ยท
Authenticator ยท
Authenticator ยท
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.

๐Ÿ”ง Utilities
(26K)
11
Authenticator ยฎ App
Authenticator ยฎ App
Authenticator ยฎ App
Two Factor Authentication Aั€ั€
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!

๐Ÿ“Š Productivity
(3K)
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.

๐Ÿ”ง Utilities
(133)
13
OTP Auth
OTP Auth
OTP Auth
2-Factor Auth for Pros
Free

A secure 2-factor authentication app for iOS devices with features like encrypted iCloud sync, Siri support, and offline functionality. Protect accounts with AES-256 encryption and no data collection or internet connection. Keep your accounts safeโ€”try it now!

๐Ÿ”ง Utilities
(463)
14
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!

๐Ÿ“Š Productivity
(12K)
15
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.

๐Ÿ“Š Productivity
(100K)
16
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.

๐Ÿ’ผ Business
(319)
17
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Mobile 2FA for your Security
Free

Protect your online accounts with a simple and secure two-factor authentication (2FA) app that stores and manages your authentication codes on your device with end-to-end encryption. Download now and take control of your digital security by strengthening your account protection and easily restoring your codes when needed.

๐Ÿ“ฐ Magazines & Newspapers
(34)
18
Authenticator
Authenticator
Authenticator
Authentication for Google
Free

Authhy Authenticator is a two-factor authentication app that boosts online account security. Easily set up without login, just scan QR codes to add accounts. Compatible with thousands of websites and services. Download for enhanced security!

๐Ÿ“Š Productivity
(325)
19
Authenticator ยฉ
Authenticator ยฉ
Authenticator ยฉ
Authenticator app, 2fa
Free

Protect your online accounts with our secure Two-Factor Authentication app. Easily add accounts by scanning QR codes or entering them manually, and manage passwords with our password management feature. Secure your accounts today!

๐Ÿ’ผ Business
(2.3K)
20
Authenticator App - 2FA โ—ฆ MFA
Authenticator App - 2FA โ—ฆ MFA
Authenticator App - 2FA โ—ฆ MFA
Two Factor Authentication: OTP
Free

This application provides an extra layer of security for online accounts through two-factor authentication, allowing users to store all their 2FA tokens securely in one place and generate time-based one-time passcodes with ease. By setting up the app in seconds, users can protect their email, social media, banking, and more, and secure their online world with 2FA today.

๐Ÿ”ง Utilities
(78)

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