VirtScreen has been discontinued. Similar apps include Spacedesk, which has a free version. Other options are Side Screen, Deskreen, Weylus and Duet Display. You can choose from more than 10 Screen Mirroring Apps like VirtScreen for iPad, Mac, Windows, iPhone and Android.
Genki Studio is a software that turns your iPad into a portable monitor and video capture device. It connects to a Genki ShadowCast or any USB UVC device, with features like external monitor support, Apple Pencil markup, and multitasking.
United States
Yam Display turns your iPad/iPhone into an external monitor for your Mac. Wired by USB, browse documents or watch videos without delay. Touch your Mac and pinch to zoom on beautiful retina display. For multitasking enabled iPads, you can utilize every single pixel of your screen...
United States
GlideX is a cross-device screen-sharing solution. Using wired or wireless connections, you can create a bigger and better work or play space. GlideX optimizes your workflow in the blink of an eye!
Taiwan
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)
United States
MKMirror allows you to mirror your Desktop, built-in Camera, video and audio devices to Smart TVs and mobile devices. MKMirror uses HTTP Live Streaming (HLS) protocol, an adaptive bitrate streaming communications developed by Apple Inc.
Hungary
EU
Turn your iPad/iPhone or Android tablet or smartphone into a convenient side monitor for your Windows or Mac desktop. iDisplay is a universal app specially optimized for iPad, iPhone, iPod Touch, and Android devices screens.
GermanyEU
ZoneScreen is able to mirror local desktop to another computer in the network. The main difference is that it also allows extend desktop, not only mirror it. Also, you could use ZoneScreen for Windows Mobile to extend/mirror your desktop to screen of your handheld.
Russia
Smart devices become monitors by connecting them to a PC via USB! The Convenient Connect TwomonUSB
United Kingdom
