It's hard to tell. There are typically only three or four people in the room at most, and the iPad audio problems typically occur with even fewer people.
I believe that the iPad user is using the web, not the app.
Wasn't there news recently about Safari overtaking edge as the second most popular browser?
If so, we should probably be developing for it too. Not just the top 1. Yes, there's a gap between 1 and 2, but you can't just discount it when building an app.
I believe that the iPad user is using the web, not the app.