Compare software

Hard Disk SentinelScrutiny
Freemium

A limited free version exists. The Professional edition is a paid licence.

 Free

Free to download and self-host.

Windows, Linux Linux, Web, Self-hosted
  • Health and estimated lifetime per drive rather than raw S.M.A.R.T. values
  • Sees drives behind many USB enclosures and RAID controllers
  • Historical S.M.A.R.T. trends per drive
  • Failure thresholds based on real world data
  • The free version is limited; most features need the paid Professional edition
  • Needs a server and a collector with drive access
  • Focused on drive health only
Downloadable app Self-hosted
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 23, 2026

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