Hi Will,
Here’s one thread but there are many others: Distance to rider from behind not visible on some tablets [October 2022]
This affects all tablets including iPads so is both an iOS and Android ‘issue’/feature 
. That is what I recall some of the older threads had mentioned that it wasn’t supposed to be there for some reason.
I’d love to have this on my iPad too so if it’s possible to flag this internally that would be a big win from the failed attempts over the years!