I am writing video based social app for iOS and android(WinPhone is under waiting).
I recorded video in mov format using AVFoundation framework on the iPhone and uploaded it to
This will repackage the mov file to mp4 without transcoding. It is very fast. The resulting file is compatible with both android and iphone. Of course the best solution would be to record mp4 on the iphone in the first place. Yes you can do that.