The iPhone is one of the best gaming devices around. You don’t need a controller to play games on it but the Xiaomi WASP-X can improve your performance. It installs on the left side of your phone and comes with the joystick and buttons you can use to interact with your game characters.
This particular version is compatible with iPhone XS, iPhone XS Max and newer models. A model for older smartphones is also available. You can map functions to buttons to customize your experience. The device connects to your phone physically and doesn’t require Bluetooth work.