Apps similar to Mirror Hall include Spacedesk, which has a free version. Other options are Side Screen, Deskreen, Tab Display and Duet Display. You can choose from more than 10 Screen Mirroring Apps like Mirror Hall for Mac, Windows, iPad, Android and iPhone.
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
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.
Germany
EU
Smart devices become monitors by connecting them to a PC via USB! The Convenient Connect TwomonUSB
United Kingdom
Turn any Mac you already own — even an old iMac — into a true extended second display for your Mac. No dongle, no subscription, no account, no cloud.
ItalyEU
