USFIV Bits app for iPhone and iPad
Your pocket reference for Ultra Street Fighter IV. Quickly check out frame data for any USFIV character without a need for an internet connection. The app will allow you to sort, edit and modify the frame data if you need to. Add matchup specific notes and use the Block Punish section to understand your available options when you block a move from a specific opponent.
USFIV Bits also supports SSF4AE 2012 as well, you can switch between the two versions if you wish to do that from the Options section.