Instead of buying a third-party controller for your iOS device, you can use your existing Nintendo Switch Joy-Cons to level ...

On your iPhone, launch the Settings app > Bluetooth ... Similar to the iPhone and iPad, you can also use a wired connection to pair your PlayStation 4 DualShock Controller to your Mac.

All you need to do is pair them to each of your devices ... This means you'll have to do so manually. On iPhone or iPad, long-press on "Bluetooth" from the Control Center and choose "AirPods." ...