Input devices and interfaces don't get much love. Good ones are invisible, performing their job with little fanfare or recognition, while users mercilessly tear to shreds bad ones.

I've always been of the mindset that touch controls need to be done well for mobile games. If they rely purely on physical controllers, well, that's just no good. That said, I can still certainly appreciate physical controllers for mobile devices.

The SteelSeries Stratus XL is easily one of the best Made for iPhone controllers out at the moment, as it's comfortable in the hand, boasts solid buttons and analogue sticks and it won't give you cramps either - we just wish it had better compatibility with our PCs and Macs, and even Android too.

This is definitely the best controller for games iOS devices money can buy today! I have been waiting for it, and when I got mine it was totally worth the wait, even if a bit more expensive than I would have liked.

This is without a doubt the best iOS controller on the market. The build quality and feel is superb. Only con is the very limited game selection. So before buying you need to consider this. But overall the product is great and works very well with an iPad.

SteelSeries' second iOS controller is called Stratus XL ($70), a followup to the original Stratus. Previously, the small Bluetooth controller launched with a retail price of $100, but the new Stratus XL is both larger - hence the name - and $30 cheaper.…