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GrandPerspective vs Mole: catalog facts
GrandPerspective	Mole
Free Free and open source under the GPL.	Free Free and open source.
macOS	macOS, Command line
Saved scans can be compared to see what grew since last time Deletes or reveals a file straight from the map	Cleaning, uninstalling and disk analysis in one tool Scriptable command-line interface plus a native app
macOS only, and the interface is deliberately plain	macOS only Cleanup tools can delete files you wanted if used carelessly
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
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 22, 2026	Official website Full listing and sources Checked September 24, 2026

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