Ten years from now, we may look back and say controller support was the most important announcement of E3 2013, Polygons Chris Plante wrote back in June. But only if Apple wants it to be. Both Logitechs Powershell and the Moga Ace Power controller — the first two iOS controllers available — have a number of issues that will likely hamper their adoption. For one thing, theyre both expensive, costing an extra $99.99 on top of what you already spent on your iPhone.