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Folder Size vs DiskSavvy: catalog facts
Folder Size	DiskSavvy
Freemium Free to use, with a paid registered edition available.	Freemium A free version is available, with paid editions for purchase.
Windows	Windows, Command line
Bar and pie charts of disk usage Works on network shares and NAS devices	Analyzes network shares and NAS devices as well as local disks Built-in file classification with charts and reports
Windows only Some functions tied to the paid registered edition	Windows only Advanced features are in paid editions
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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