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Sketch vs Lunacy: catalog facts
Sketch	Lunacy
Paid Paid subscription software.	Freemium Free to use, with paid options listed on the pricing page.
macOS	Windows, macOS, Linux, Web
Long track record as a dedicated UI design tool Established plugin ecosystem	Native Linux version, unlike most UI design tools Opens Sketch files and converts from Figma
Mac only, no Windows or Linux version Paid subscription required	Some features sit behind paid plans Closed source
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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