Open Authenticator is made and published by Skyost. AppBrain is an independent app data site and isn't affiliated with Skyost. The app name, icon, screenshots and description belong to Skyost and are shown as published on Google Play.
AppBrain's verdict
Niche- Total installs
- 5 thousand
- Rating on Google Play
- 4.20
- 45 ratings
- Last updated
- June 29, 2026
Open Authenticator is a niche app, with 5 thousand installs. It doesn't have enough ratings yet to judge what users think.
Summary
Open Authenticator is a free, open-source TOTP app that works across Android, iOS, macOS and Windows. It emphasizes local use and cross-device syncing, providing a fast, copy-friendly interface to manage your 2FA tokens.
Pros & Cons
- Open-Source & Free for local use
- Cross-Platform Sync across devices
- Fast, copy-friendly main page for TOTPs
- Transparent development with regular updates
- Limited emphasis on broader MFA features beyond TOTPs
- QR code handling and offline/backup options are not highlighted
- Lacks explicit authentication and multi-factor terminology relative to some competitors
Installs
Tracked by AppBrain- Last 30 days
- 250
- Play install range
- 5+ thousand
- Launched
- July 2024
Installs over time
Open Authenticator has been installed 5 thousand times. Over the past 30 days, it has been installed 250 times.
Rankings
Google Play top chartsGoogle Play Rankings for Open Authenticator
Competitors
Similar apps and more from Skyost
Releases
Updates seen on Google Play- Version
- 2.1.0
- Launched
- July 2024
User feedback
Ratings and reviews on Google PlayGoogle Play Rating history and histogram
Comments on Open Authenticator for Android
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 40.0 MB
- Content rating
- Everyone
Technologies used by Open Authenticator
About the app and developer
About Open Authenticator
Open Authenticator is a tools app developed by Skyost.
Install Statistics
Open Authenticator has been installed 5 thousand times. In the last 30 days, the app was installed 250 times.
User Ratings
Open Authenticator is rated 4.20 out of 5 stars. The rating is based on 45 ratings.
App Information
Open Authenticator is freely available from Google Play. The app size is 40.01 MB. The latest version available is 2.1.0. The last update was on June 29, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since July 2024.
App Performance Report
Get a detailed PDF report for Open Authenticator with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Skyost
Frequently asked questions about Open Authenticator
Is Open Authenticator free?
Yes. Open Authenticator is free on Google Play.
Is Open Authenticator still available?
Yes. Open Authenticator is on Google Play, and the last update we saw was on June 29, 2026.
Does Open Authenticator contain ads?
No. Google Play does not list Open Authenticator as containing ads.
How large is Open Authenticator?
Open Authenticator is 40.01 MB.
Is Open Authenticator suitable for children?
Google Play rates the content of Open Authenticator as suitable for everyone.
How many times has Open Authenticator been installed?
Google Play lists 5,000+ installs for Open Authenticator.
How do people rate Open Authenticator?
Open Authenticator scores 4.20 out of 5 stars, from 45 ratings on Google Play.
Who made Open Authenticator?
Open Authenticator was developed by Skyost. It is listed in the tools category on Google Play.
What are the best alternatives to Open Authenticator?
People looking at Open Authenticator also look at these tools apps: Authenticator App - 2FA Auth, Authenticator App, Authenticator App – 2FA, Authenticator App: 2FA & MFA, TOTP Authenticator: 2FA MFA.
Store listing
By Skyost, from Google Play“An open-source & cross-platform TOTP (Time-Based One-Time Password) app”
Description by Skyost Written by the developer, not by AppBrain. Click to read.
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 Android, iOS, macOS or Windows.
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
- Download Open Authenticator for other platforms : https://openauthenticator.app/#download
Recent changes:
🔑 HERE'S WHAT'S NEW IN OPEN AUTHENTICATOR (v2.0.2) :
• Optimized some network calls.
• Updated dependencies.
• Various bugs fixed.