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GSmartControl vs DriveDx: catalog facts
GSmartControl	DriveDx
Free Free and open source.	Paid Paid license with a free trial download.
Windows, Linux	macOS
Highlights SMART anomalies automatically Runs drive self-tests from the interface	Detailed SMART health indicators for SSDs and HDDs Runs drive self-tests
Depends on smartmontools being installed Beware of a phishing site using a similar name	macOS only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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