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Duet Display vs Yam Display: catalog facts
Duet Display	Yam Display
Paid Paid app with plans listed on the pricing page.	Paid Pricing is not listed on the homepage; the companion apps are distributed through the App…
Windows, macOS, Android, iOS	macOS, iOS
Uses tablets and phones as extra monitors Drawing tablet mode for illustration	USB and wireless connection options Can use another Mac as the display
Paid, with features split across plans Requires an account	Mac host only Needs separate companion apps on each device
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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.