With macOS Catalina's Sidecar feature, your iPad can be a second display for your Mac. You'll need a relatively recent Mac, but here's how to set it up and use Sidecar.

Duet Display lets you use any Android device as a second screen for your Mac, whether wired or wireless, giving you extra space for multitasking.

In this guide, we show you how to use your iPad as a second display with your Mac. If you're a Mac user looking for more screen real estate, using your ...