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smartmontools vs Scrutiny: catalog facts
smartmontools	Scrutiny
Free Free and open source under the GNU GPL version 2.	Free Free to download and self-host.
Windows, macOS, Linux, Command line	Linux, Web, Self-hosted
Often gives advance warning of disk degradation before data is lost smartd monitors on a schedule and notifies you, rather than waiting to be asked	Historical S.M.A.R.T. trends per drive Failure thresholds based on real world data
Command-line only; interpreting the attribute values takes some learning Attribute meanings vary by manufacturer and are not always documented	Needs a server and a collector with drive access Focused on drive health only
Downloadable app	Self-hosted
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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