Air Display is described as 'Use your iPad as a wireless display, to extend your Mac desktop. Ever wish you had an extra display for your computer? There’s an app for that! With Air Display, you can use your iPad as an additional monitor for your Mac (Windows no longer supported)' and is a screen mirroring app in the remote work & education category. There are more than 10 alternatives to Air Display for a variety of platforms, including Windows, iPad, Mac, iPhone and Android apps. The best Air Display alternative is Spacedesk, which is free. Other great apps like Air Display are Tab Display, Deskreen, Duet Display and Weylus.