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OpenDisk vs Disk Space Analyzer: catalog facts
OpenDisk	Disk Space Analyzer
Free Free and open source under the MIT licence.	Freemium Free download, with a paid Pro version.
macOS	macOS
Interactive sunburst view with one-click cleanup Incremental repeat scans	Sunburst and treemap views of disk usage Lists the biggest files in order
macOS only Requires macOS 15 Sequoia or later	macOS only Some features require the paid version
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	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 2, 2026	Official website Full listing and sources Checked October 1, 2026

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