The iOS version of Complete Ear Trainer has just been published! A few things are missing and will be added in future updates (mainly arcade mode, guitar sound bank and tutorial screens), but these few things apart, the app has been ported exactly the same by my friend Benjamin Rossi. You can even sync your progression between your Android and iOS devices. Happy ear training!
App store link: https://itunes.apple.com/us/app/complete-ear-trainer/id1012455471