Help Please ! Audio and Midi interface for Cubasis

The Behringer has several + points , it charges the i pad as it works, most of the smaller ones , need the camera kit , n issues , i read in forums here , The I studio does midi as well, i m sure many other companies will join the band wagon soon … but this is revolutionary , n sure drove me away from purchasing the Zoom R 8 as a multitracker , @least for sketching rough ideas on the move …sm