Yes, War Robots has controller support. You can play the game using various controllers, including MFi controllers on iOS devices.
Many players have also used the FlyDigi Apex Wireless Controller on both Android and iOS devices. This makes gameplay smoother and more enjoyable.
However, the Steam version of War Robots does not have official controller support yet. The developers are working on it, so it might be available soon.
Using a controller can give you better control over your War Robot. Try it out and see how it improves your game experience!