If you see the same thing on both displays, you should start by making sure the displays are Extended instead of Mirroring ...

You can use your iPad as a second monitor with a Mac or Windows computer, with a free option available. Here's how you can do it.

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few ...

You don't need a bulky monitor to extend your workspace. If you use an Apple computer, all you need is an iPad and learn to use the Sidecar feature.

Set up a third-party app, and then add your iPad as a second monitor in Display settings This article shows how to expand your Windows 11 desktop by using an iPad as a second monitor. While this ...