Compare software

DriveDx vs smartmontools: catalog facts
DriveDx	smartmontools
Paid Paid license with a free trial download.	Free Free and open source under the GNU GPL version 2.
macOS	Windows, macOS, Linux, Command line
Detailed SMART health indicators for SSDs and HDDs Runs drive self-tests	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
macOS only Paid after the trial	Command-line only; interpreting the attribute values takes some learning Attribute meanings vary by manufacturer and are not always documented
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
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 24, 2026	Official website Full listing and sources Checked September 21, 2026

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