I had more of a dig through support tickets this morning, and caught up with the engineering team.
The no sound on map screens/no wand casting noises is an iOS specific issue - it is not specific to a particular iPad mode.
The cause of this issue is that iOS does not allow the auto play of sound/music without “user interaction” in applications that use Safari (as the Kano Code app does).
Apple brought this in so that, for example, when you’re scrolling through the Facebook App, you’re not bombarded with the audio from friends posts that have autoplay video in, unless you click into the video.
What you are able to hear (have just tested this on my iPad Mini 2 with successful results), is sound created by the use of the “Speaker” code block.
A good place to test this out is in the Grindylows Playground creation (highlighted below).
You should hear bubbling water sounds, and the Grindylows making noises as you move your wand.
The engineering team are investigating work arounds, and I’ll share news as we have it.