OnlyKey
OnlyKey is an open source alternative to YubiKey
Which Login?
Never forget how you signed into a website anymore
FactScore™ 0Updated February 2026
| OnlyKey | Which Login? | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 1 | 0 |
| Pros | 0 | 0 |
| FactScore™ | 15.1 | 0 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in OnlyKey — Pros
No unique pros listedBoth tools — Pros
—Only in Which Login? — Pros
No unique pros listedOnly in OnlyKey — Cons
—Both tools — Cons
—Only in Which Login? — Cons
—Details
| OnlyKey | Which Login? | |
|---|---|---|
| Categories | Password managers | Password managers, Chrome Extensions, Authentication & identity tools |
| Platforms | Web | Web |
| Became Popular | December 25, 2019 | April 18, 2019 |
| Website | onlykey.io | whichlogin.com |
Who Should Pick Which?
Choose OnlyKey if...
- No unique pros listed
Choose Which Login? if...
- No unique pros listed
With a FactScore™ of 15.1 vs 0, OnlyKey leads in community reception. OnlyKey uniquely offers No unique pros listed, while Which Login? stands out for No unique pros listed.
What Users Say
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...
Which Login?
No reviews yet
Related Comparisons
Frequently Asked Questions
Which is better, OnlyKey or Which Login??
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 OnlyKey compared to Which Login??
OnlyKey uniquely offers: No unique pros listed.
What are the pros of Which Login? compared to OnlyKey?
Which Login? uniquely offers: No unique pros listed.
Is OnlyKey better rated than Which Login??
OnlyKey is rated 5.0★ from 1 reviews. Which Login? is rated N/A★ from 0 reviews.
What is the FactScore™ of OnlyKey and Which Login??
FactScore™ weighs rating and review volume together. OnlyKey scores 15.1 and Which Login? scores 0.
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