The best paid alternative to superDisplay is Duet Display. If that doesn't suit you, our users have ranked more than 10 alternatives to superDisplay and six of them is paid so hopefully you can find a suitable replacement. Other interesting paid alternatives to superDisplay are Astropad Slate, Astropad, EasyCanvas and TwomonUSB.
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.
EasyCanvas is an application that allows you to use your iPad as a digitizer.
You can use your PC programs including Photoshop directly using EasyCanvas.
Smart devices become monitors by connecting them to a PC via USB! The Convenient Connect TwomonUSB
Air Stylus lets you use your iPad or Galaxy Note as a pressure sensitive, wireless drawing surface for your favorite graphics software on your Mac OS X computer.
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