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Screenshots

  • Open Authenticator by Skyost screenshot 1
  • Open Authenticator by Skyost screenshot 2
  • Open Authenticator by Skyost screenshot 3
  • Open Authenticator by Skyost screenshot 4

About Open Authenticator by Skyost

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. - Self-Hostable Backend : You can host the backend on your own server. Your data, your choice. - 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/openauthenticator-app/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

4.6

12 ratings

5 ★ 83% 4 ★ 8% 3 ★ 0% 2 ★ 0% 1 ★ 8%

What’s new

Version v2.1.0 · Updated June 30, 2026

• Optimized some network calls. • Updated dependencies. • Various bugs fixed.

App privacy

The developer, Hugo Delaunay, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Contact Info: Email Address
  • Identifiers: User ID

Used for: Analytics, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Diagnostics: Crash Data

Used for: Analytics, Other Purposes

Alternatives to Open Authenticator by Skyost

Looking for apps like Open Authenticator by Skyost? Here are 6 similar apps on the App Store. The highest rated is Ente Auth - 2FA Authenticator (4.7/5), and all 6 are free to download.

Open Authenticator by Skyost vs. alternatives
App Rating Price Last updated Compare
Open Authenticator by Skyost 4.6 / 5 (12 ratings) Free June 30, 2026
Ente Auth - 2FA Authenticator 4.7 / 5 (290) Free Oct 6, 2026 Compare
Authenticator 2FA, MFA, OTP 4.4 / 5 (155) Free Aug 26, 2026 Compare
TOTP Authenticator 4.7 / 5 (182) Free Oct 21, 2026 Compare
Authenticator App | 2FA Auth 3.9 / 5 (61) Free Oct 19, 2026 Compare
FreeOTP Authenticator 3.2 / 5 (172) Free Nov 19, 2025 Compare
Authenticator App · 2FA 4.2 / 5 (387) Free Apr 11, 2026 Compare

Compare Open Authenticator by Skyost with the top alternatives: ratings, updates, ASO score and keyword gaps →