In this tutorial, you will learn how to extend or mirror your Mac's display to your iPad wirelessly or via USB—no third-party apps needed!
How to use your iPad as a secondary display or mirror display for Mac
Sidecar
Do your Mac and iPad meet the system requirements for the Sidecar feature?
Sidecar, one of the most exciting new features in macOS Catalina 10.15, lets you use your iPad as a Mac display and your Apple Pencil as a graphics tablet for pressure-sensitive drawing and sketching in Mac apps, marking up screenshots and PDFs and more. But do your Mac and iPad devices meet the minimum system requirements needed for the Sidecar feature?
Luna Display founders say the app isn’t going anywhere despite Apple’s Sidecar feature in macOS Catalina
When macOS Catalina launches later this year, it will bring with it a new feature called Sidecar. This will allow owners of specific Macs and iPads to connect the iPad as a secondary, external display. A lot of people are excited about the feature, but it's definitely facing some competition out of the Mac App Store, like Luna Display.
macOS Catalina turns your iPad + Apple Pencil combo into a second Mac display that doubles as a graphics tablet
Apple has a new feature in macOS Catalina that could kill the Luna Display accessory.
macOS 10.15 will turn your iPad into a wireless display and graphics tablet for your Mac
According to people familiar with the development of macOS 10.15, the next major version of Apple's desktop operating system, the software may ship with a cool new feature akin to Luna Display that would make it easy to turn your iPad into an external display for your Mac.