I guess this has been covered in the past, but I have not discovered an answer as yet. I have iPad Mini 2 iOS 9.1. I downloaded and used VLC to playback VOB files on this iPad. The video plays fine but VLC does not support AC3 audio on iOS. So I am looking for a media player that plays VOB and supports AC3. I could try one after the other but I'm hoping someone will already know the answer. The app called MP looks likely, so if no one has a favorite I will try that soon.