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CrystalDiskInfo vs GSmartControl: catalog facts
CrystalDiskInfo	GSmartControl
Free Free and open source under the MIT licence.	Free Free and open source.
Windows	Windows, Linux
Plain Good, Caution or Bad verdict on top of the raw S.M.A.R.T. table Supports NVMe, many USB enclosures and some Intel RAID setups	Highlights SMART anomalies automatically Runs drive self-tests from the interface
Windows only A Good verdict does not mean a drive cannot fail tomorrow	Depends on smartmontools being installed Beware of a phishing site using a similar name
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Works offline	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.