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, Duet Display, Deskreen and Weylus.
Utilize Spacedesk to transform any network-connected device, from Android tablets to iOS devices, into additional monitors. Requires a Windows primary machine for efficient screen sharing, perfect for office or remote collaboration.
Tab Display seamlessly transforms your tablet into a second monitor, allowing you to extend your screen and stream the virtual display directly to your device. This app supports both Android tablets and iPads for use with Windows and Mac environments.
Turns iOS or Android devices into efficient second displays or graphics tablets for Mac and PC, delivering zero-lag, high-resolution output with touch, gesture, and touch bar support, hardware-free setup, secure remote desktop capabilities, and end-to-end encryption.
Deskreen turns any device with a web browser to a second screen for your computer
I like Deskreen as an alternative to Air Display because it is fast, free and open source. And has wifi support too!
Weylus turns your tablet or smart phone into a graphic tablet/touch screen for your computer.
Screen Stream over HTTP allows viewing the device screen in your web browser. No need of any additional software except for this app and a web browser. No annoying ads or pop-ups. The application works via WiFi and/or 3G/LTE network. It uses MJPEG to encode screen images and send.
A small, fun app that helps you use your iPad as an external HDMI display for any camera, video game console, or even VHS.
Turn your iPad, Android tablet, Kindle or smartphone into a high performance extra monitor for your computer
Air Display = use another screen; AirParrot = screen to Apple TV
CamX - USB Camera is a multifunctional iOS app that converts your device into a portable video capture tool, capable of recording from various sources, and can also serve as a gaming console display or secondary screen.
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i bought it and then i found out that it does not work with the cdu of flightsimulator, the touchscreen function does not work then. I asked the developer and they admit that and told me that they are still working on a solution but that coult take a long time. The problem seems to be Nvidia.