Thomas & Friends: Misty Island Rescue by HiT Entertainment is based off of the Thomas & Friends movie “Misty Island Rescue.” Your child can read along or read it by themselves, solve puzzles, and play a matching game. It is free to download and there are no in-app purchases. It is compatible with the iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPod touch (3rd generation), iPod touch (4th generation), iPod touch (5th generation), and iPad.