> "Apple also says that it’ll use machine learning and Apple Maps to label stores that you use in the app, and use that data to track purchases across categories like “food and drink” or “shopping.” " - I guess this is novel in the United States, but challenger banks like Monzo/Starling have been doing this for a number of years.

I've got the same services with BNP in France. I don't know how the data is computed/retrieved, though; maybe it's coming from manual tagging by users (since user can tag each individual payement).