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Astropad Studio vs Android Virtual Pen: catalog facts
Astropad Studio	Android Virtual Pen
Paid Commercial software from Astropad; see the site for current pricing.	Free Free and open source under the GPL 3.0.
Windows, macOS, iOS	Linux, Android
Uses an existing iPad and Apple Pencil as a pen display Works with Mac and PC	Built for low-latency pen input Adjustable pressure threshold and sensitivity
Requires an iPad and Apple Pencil Commercial software	Host side supports Linux only Needs a pen-capable Android device
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
Not stated if an account is 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 2, 2026	Official website Full listing and sources Checked October 1, 2026

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