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Radix vs Disk Space Analyzer: catalog facts
Radix	Disk Space Analyzer
Free Free and open source, with downloads on GitHub and Homebrew.	Freemium Free download, with a paid Pro version.
macOS	macOS
Sunburst and treemap views of the same scan Compares scans to show what changed over time	Sunburst and treemap views of disk usage Lists the biggest files in order
Requires macOS 14 or later macOS only	macOS only Some features require the paid version
Downloadable app	Downloadable app
Open 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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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