OnlyKey vs Nitrokey

OnlyKey and Nitrokey both land on Depends.

OnlyKey

Depends

Confidence: Medium

Buy OnlyKey if you're a privacy-minded individual who wants one open-source device for passwords and 2FA and tolerates fiddly setup.

Depends

Confidence: Medium

Buy if you are privacy-focused and comfortable troubleshooting open-source hardware keys yourself.

OnlyKey versus Nitrokey
Compare	OnlyKey	Nitrokey
Verdict	Depends	Depends
Best for	Privacy enthusiasts wanting offline storage	Privacy-conscious individuals
Who it's not for	Teams needing centralized credential management	Casual users who just need a password manager
Privacy	Open source with PIN-protected offline storage; two dependency-level CVEs tracked, no device breaches reported.^⁸	No known public vulnerabilities found in the sources reviewed; audited in 2015, unaffected by ROCA and Infineon flaws, firmware security update shipped Feb 2025.¹⁵
Support quality	Tiny team; users questioned project continuity	Forum: dead device, 'support is useless'
Public sentiment	Users value the all-in-one offline design and fair price but weigh it constantly against YubiKey and Nitrokey, and some have worried about the project's continuity.^⁶	Forum users report hardware failures and support frustration while actively trading backup and setup workarounds.
Biggest gotcha	Wrong PIN attempts wipe the key . losing your PIN means losing stored passwords¹⁰	Dead-device threads describe support as unhelpful; buy a backup key upfront