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Font Finagler vs OnyX: catalog facts
Font Finagler	OnyX
Paid A license must be purchased; upgrade licenses are also offered.	Free Free to use; the developer accepts donations.
macOS	macOS
Clears corrupt font caches that cause garbled text Runs on a wide range of macOS versions from 10.9 up	Many maintenance tasks without typing Terminal commands Access to hidden settings in Finder, Dock and Safari
Paid license required Last release was in 2023	Each version works only with one macOS release Latest version requires an Apple silicon Mac
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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