CastlePass
Password generator using chess moves
FactScore™ 0
OnlyKey
OnlyKey is an open source alternative to YubiKey
Updated February 2026
| CastlePass | OnlyKey | |
|---|---|---|
| Rating | N/A | 5.0★ |
| Reviews | 0 | 1 |
| Pros | 0 | 0 |
| FactScore™ | 0 | 15.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in CastlePass — Pros
No unique pros listedBoth tools — Pros
—Only in OnlyKey — Pros
No unique pros listedOnly in CastlePass — Cons
—Both tools — Cons
—Only in OnlyKey — Cons
—Details
| CastlePass | OnlyKey | |
|---|---|---|
| Categories | Password managers, Chrome Extensions, Security software | Password managers |
| Platforms | Web | Web |
| Became Popular | February 16, 2025 | December 25, 2019 |
| Website | chromewebstore.google.com | onlykey.io |
Who Should Pick Which?
Choose CastlePass if...
- No unique pros listed
Choose OnlyKey if...
- No unique pros listed
With a FactScore™ of 0 vs 15.1, OnlyKey leads in community reception. CastlePass uniquely offers No unique pros listed, while OnlyKey stands out for No unique pros listed.
What Users Say
CastlePass
No reviews yet
OnlyKey
Using my OnlyKey-Duo for half a year now , I am enthousiastic about it. Functioning reliable on my USB A/C devices. Easy configuration and backup , but lacks support if you have issues. (just forum...
Related Comparisons
Frequently Asked Questions
Which is better, CastlePass or OnlyKey?
Based on FactScore™, OnlyKey leads with a score of 15.1 vs 0. OnlyKey has a higher rating of 5.0★ compared to N/A★.
What are the pros of CastlePass compared to OnlyKey?
CastlePass uniquely offers: No unique pros listed.
What are the pros of OnlyKey compared to CastlePass?
OnlyKey uniquely offers: No unique pros listed.
Is CastlePass better rated than OnlyKey?
CastlePass is rated N/A★ from 0 reviews. OnlyKey is rated 5.0★ from 1 reviews.
What is the FactScore™ of CastlePass and OnlyKey?
FactScore™ weighs rating and review volume together. CastlePass scores 0 and OnlyKey scores 15.1.
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