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An open-source & cross-platform TOTP (Time-Based One-Time Password) app
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
About Open Authenticator
Open Authenticator is a tools app developed by Skyost.
Download Statistics
Open Authenticator has been downloaded 5 thousand times. In the last 30 days, the app was downloaded 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 FREE to download. The APK download 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.
More data about Open Authenticator
| Price | Free to download |
| Total downloads | 5 thousand |
| Recent downloads | 250 |
| Rating | 4.20 based on 45 ratings |
| Ranking | Not ranked |
| Version | 2.1.0 |
| APK size | 40.0 MB |
| Number of libraries | ? |
| Suitable for | Everyone |
| Ads | NO ads |
App Performance Report
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Google Play Rating history and histogram
Downloads over time
Open Authenticator has been downloaded 5 thousand times. Over the past 30 days, it has been downloaded 250 times.
Changelog of Open Authenticator
Developer information for Skyost
Comments on Open Authenticator for Android
Google Play Rankings for Open Authenticator
Technologies used by Open Authenticator
Frequently asked questions about Open Authenticator
Is Open Authenticator free?
Yes. Open Authenticator is free to download from 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 the Open Authenticator APK?
The Open Authenticator APK 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 downloaded?
Google Play lists 5,000+ downloads 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, TOTP Authenticator: 2FA MFA, Authenticator App, Authenticator App – 2FA, Proton Authenticator.