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OnyX vs Deeper: catalog facts
OnyX	Deeper
Free Free to use; the developer accepts donations.	Free Free to use, with optional donations to the developer.
macOS	macOS
Many maintenance tasks without typing Terminal commands Access to hidden settings in Finder, Dock and Safari	Exposes hidden Finder, Dock and Safari settings without Terminal commands Builds kept current for each new macOS release
Each version works only with one macOS release Latest version requires an Apple silicon Mac	Each build only works on one major macOS version Older builds are no longer updated
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it 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.