Well for iPad minis there are stability problems around every corner and it is probably cause of the not compatibility issues have been resolved. By the updates is realeased I hope that it is fixed. With the elephant out the way let's talk about IPhone 5 through 6s. The app will run most smoothly for situations ,explosion will result in FPS drops and sometimes bridge collapses. The AI will work with most regular planes, and some proper VTOL planes will work.