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

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