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Deskreen vs Duet Display: catalog facts
Deskreen	Duet Display
Freemium The Community Edition is free and open source under the AGPL. The project states the…	Paid Paid app with plans listed on the pricing page.
Windows, macOS, Linux	Windows, macOS, Android, iOS
The receiving device needs only a web browser, with nothing to install Connect as many devices at the same time as you like	Uses tablets and phones as extra monitors Drawing tablet mode for illustration
The open-source Community Edition is explicitly limited compared with the planned Pro version A true extended desktop needs a separate virtual display driver	Paid, with features split across plans Requires an account
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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