Compare software

Duet Display vs Weylus: catalog facts
Duet Display	Weylus
Paid Paid app with plans listed on the pricing page.	Free Free and open source.
Windows, macOS, Android, iOS	Windows, macOS, Linux
Uses tablets and phones as extra monitors Drawing tablet mode for illustration	No app needed on the tablet, only a web browser Pen and touch input from the tablet reach the computer
Paid, with features split across plans Requires an account	Releases are infrequent Works best on a fast local network
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Account needed	No account 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 1, 2026

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