They are solid for audio production too, with a lot of fairly powerful DAWs. (Like AUM or Loopy Pro.) you can even connect MIDI instruments from other apps into

They are solid for audio production too, with a lot of fairly powerful DAWs. (Like AUM or Loopy Pro.) you can even connect MIDI instruments from other apps into the DAW and then play them with a connected midi controller, add USB audio interfaces for multitrack recording and live performances, etc. Or it can be a glorified PDF reader for sheet music (with a nice pencil to boot)… and it’s also great for drawing. They’re very powerful devices. Sure, iOS is limited, with poor multitasking workflows. But you can still write very powerful apps for iOS.