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Scrutiny vs HDDScan: catalog facts
Scrutiny	HDDScan
Free Free to download and self-host.	Free Freeware with no paid edition.
Linux, Web, Self-hosted	Windows
Historical S.M.A.R.T. trends per drive Failure thresholds based on real world data	Surface tests in read, verify and erase modes Shows SMART attributes and drive temperature
Needs a server and a collector with drive access Focused on drive health only	Windows only RAID volumes and USB flash drives get surface tests only
Self-hosted	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.