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Weylus vs Astropad Studio: catalog facts
Weylus	Astropad Studio
Free Free and open source.	Paid Commercial software from Astropad; see the site for current pricing.
Windows, macOS, Linux	Windows, macOS, iOS
No app needed on the tablet, only a web browser Pen and touch input from the tablet reach the computer	Uses an existing iPad and Apple Pencil as a pen display Works with Mac and PC
Releases are infrequent Works best on a fast local network	Requires an iPad and Apple Pencil Commercial software
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	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 October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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