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DriveDx vs SeaTools: catalog facts
DriveDx	SeaTools
Paid Paid license with a free trial download.	Free Free download from Seagate.
macOS	Windows
Detailed SMART health indicators for SSDs and HDDs Runs drive self-tests	Official diagnostic tool from a drive manufacturer Quick health check for hard drives and SSDs
macOS only Paid after the trial	Aimed mainly at Seagate drives Offers diagnostics rather than repair or recovery
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
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
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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