Open Authenticator by Skyost vs TOTP Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Authenticator by Skyost
This app generates Time-Based One-Time Passwords (TOTPs) to enhance online account security through two-factor authentication. It offers cross-platform syncing, a self-hostable backend, and an intuitive interface for managing your security codes.
- Generates Time-Based One-Time Passwords (TOTPs)
- Enhances online account security with 2FA
- Cross-platform token syncing
- Self-hostable backend option
- Fast and easy-to-use interface
- Open-source and free for local use
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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
TOTP Authenticator
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Need to sign in to a government or public-service portal that asks for a 6-digit code from an authenticator app? This is exactly the app for it. Scan the QR code the portal shows you and you're done — your codes keep working even with no connection and no mobile signal. Two-factor codes, generated on your iPhone and nowhere else. · Add accounts by QR code, screenshot, or typing the key · One tap to copy a code · Search and group your accounts · Face ID lock · Codes hidden until you tap them · Clipboard clears itself · Encrypted vault on the device · Free encrypted backup and restore · Works fully offline Authenticator Plus · Automatic backup after every change · 30 days of backup history · iCloud backup between your devices Codes are always free. Privacy policy: https://season-enquiry-c38.notion.site/Privacy-Policy-3c7d703e827a8044a25ff6b56bfb745e Terms of use: https://season-enquiry-c38.notion.site/Terms-of-Use-3c7d703e827a809da80fdb565adb9f4d
Screenshots
Verdict
The clearest difference is device support: Open Authenticator by Skyost at 4 against TOTP Authenticator's 1. Open Authenticator by Skyost also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month and TOTP Authenticator sells 3 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.
Open Authenticator by Skyost ships an update fortnightly, TOTP Authenticator every 8 days. Both last shipped on October 14, 2026.
| Parameter | Open Authenticator by Skyost | TOTP Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Fortnightly | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 56 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Hugo Delaunay | COGNIFLY LTD |
In-app purchases
Open Authenticator by Skyost
- Contributor Plan: Monthly$0.991 Month
- Contributor Plan: Annual$9.991 Year
TOTP Authenticator
- Monthly Premium$1.491 Month
- Annual Premium14 Days trial$11.991 Year
- Lifetime Premium$24.99
Questions
Is Open Authenticator by Skyost free?
Is TOTP Authenticator free?
Do Open Authenticator by Skyost or TOTP Authenticator have ads?
Which is updated more often, Open Authenticator by Skyost or TOTP Authenticator?
Other comparisons
