Best Authenticator App Free Otp

238+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good authenticator app free otp apps. We benchmark 238+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Authenticator App Free Otp

Authenticator App#1

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Editor's Choice
📊 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
Authenticator App+#3

Authenticator App+ by Rocket Apps GmbH

2FA Two Factor Authentication
Worth Considering
📊 Productivity
4.8😐(12K ratings)
FreeAdsIn-App Purchases
Authenticator App+ screenshot 1
Authenticator App+ screenshot 2
Authenticator App+ screenshot 3
Authenticator App+ screenshot 4
Authenticator App+ screenshot 5
Authenticator App+ screenshot 6

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!

What We Love

  • 🚀 Easy to use
  • 🔒 Secure authentication
  • 👍 Helpful for account recovery
  • 💡 Useful for online security

Room to Improve

  • 🐛 Login issues
  • 🐛 Accounts disappearing after app updates
  • 🔒 Difficulty resetting passwords

More Authenticator App Free Otp 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 - 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
(5.7K)
6
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

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.

📊 Productivity
(655K)
7
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)
8
Google Authenticator
Google Authenticator
Google Authenticator
by Google LLC
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
(1.1M)
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 - 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)
11
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)
12
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)
13
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
(880)
14
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Free
🔧 Utilities
(111)
15
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)
16
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)
17
Authenticator App ®
Authenticator App ®
Authenticator App ®
Authenticator for Google
Free

Secure your accounts with our authentication app that adds an extra layer of protection using two-factor and multi-factor authentication. Keep your online accounts safe and secure by enabling this feature today!

📊 Productivity
(235)
18
authenticator . app
authenticator . app
authenticator . app
authentication app
Free

Secure all your online accounts easily with this Authenticator app as it helps you scan, generate, and save 2FA codes. Keep your accounts safe with just a few taps.

💼 Business
(431)
19
Authenticator - 2FA App
Authenticator - 2FA App
Authenticator - 2FA App
Protects your online identity
Free

Protect your online accounts with two-factor authentication using this reliable app. Easily generate secure codes to access your favorite services. Stay secure, stay protected.

🔧 Utilities
(2.5K)
20
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
Two-Factor Authentication Code
Free
🔧 Utilities
(2.1K)