
Open Authenticator by Skyost
An open-source TOTP manager
Free · In-App Purchases
 An open-source & cross-platform TOTP (Time-Based One-Time Password) app
PROTECT YOUR ONLINE ACCOUNTS WITH OPEN AUTHENTICATOR
Open Authenticator generates Time-Based One-Time Passwords (TOTPs), which serve as the second factor in the 2FA process. These temporary codes are valid for a short period of time and are used alongside your password to verify your identity when logging into your accounts. This significantly enhances the security of your online accounts and protects them from unauthorized access.
KEY FEATURES
- Open-Source & Free to use : Our commitment to transparency and security means our app is open-source and will always remain free for local use. If it doesn't cost anything for us, then it shouldn't cost anything for you !
- Cross-Platform Compatibility : Seamlessly sync your TOTP tokens across all your devices, whether you're using iOS, macOS or another platform.
- A lovely crafted app : Open Authenticator has been designed to be fast and easy to use. Quickly find all your TOTPs and copy them directly from the main page !
IN SUMMARY, WHY OPEN AUTHENTICATOR ?
Here are the reasons why you should download Open Authenticator :
- Enhanced Security : Protect your online accounts from unauthorized access with strong 2FA.
- User-Friendly Interface : Intuitive design makes it easy to add, manage, and organize your TOTP tokens.
- Continuous Improvement : We're dedicated to delivering the best user experience and regularly update our app with new features and improvements.
LINKS
- Check it out on Github : https://github.com/Skyost/OpenAuthenticator
- Visit our website : https://openauthenticator.app
LEGAL
- Privacy policy : https://openauthenticator.app/privacy-policy
- Terms of service : https://openauthenticator.app/terms-of-service 
 Ratings & Reviews
This app has not received enough ratings or reviews to display an overview. 
 • Improved the TOTP add / edit page.
• Better handling of QR codes.
• Various other fixes and improvements. 
  The developer, Hugo Delaunay, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
 - Contact Info
 - Identifiers
 
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
 
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
 - Hugo Delaunay
 
- Size
 - 88.9 MB
 
- Category
 - Utilities
 
- Compatibility
 Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 10.15 or later. - Apple Vision
Requires visionOS 1.0 or later. 
- Languages
 English and 4 more
- English, French, German, Italian, Portuguese
 
- Age Rating
 4+
- 4+
 
- In-App Purchases
 Yes
- Contributor Plan: Monthly USD 0.99
 - Contributor Plan: Annual USD 8.99
 
- Copyright
 - Copyright © 2025, Hugo Delaunay. All rights reserved.