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

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