Not that I’m aware of but I’d be very surprised if they didn’t monitor which functions are used and which aren’t. I did ask them some months ago for a clear privacy statement in the app to clarify what data they did collect (if any) and they said they recognised the importance of that and would attend to it, but nothing has materialised. Maybe worth prodding them again on that, but whether they’d release any stats is another matter - they’d probably see that as commercially sensitive.