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OmniDiskSweeper vs Disk Space Analyzer: catalog facts
OmniDiskSweeper	Disk Space Analyzer
Free Free download from The Omni Group.	Freemium Free download, with a paid Pro version.
macOS	macOS
Plain list of files sorted by size Trash or open files directly from the list	Sunburst and treemap views of disk usage Lists the biggest files in order
macOS only List view only, no treemap or chart	macOS only Some features require the paid version
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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