Duet Display is described as «Duet makes your iPad and your Mac more powerful together. Slide Mac apps to your iPad as a second display. No lag, Duet helps you multi-task and work faster with more screen space» and is a screen mirroring app in the system & hardware category. There are more than 10 alternatives to Duet Display for a variety of platforms, including Mac, Windows, iPad, iPhone and Android. The best alternative is spacedesk, which is free. Other great apps like Duet Display are Air Display, Deskreen, Splashtop Wired XDisplay and Weylus.Duet Display alternatives are mainly Screen Mirroring Apps but may also be Remote Desktop Tools or Digital Painting Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Duet Display.