StoreKit

Raised as a usability problem by 5 people on Hacker News over 6 years (2017–2022), in 4 threads.

People raised many different problems with StoreKit, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 5 complaints

APIs are messy, full of weird edge cases and require polling instead of webhooks2022-05-24
Hard to implement and test non-renewing subscriptions; testing unsupported and poorly documented2022-01-08
Subscription API is full of holes and poorly documented, making it a nightmare for developers2021-09-10
Developers must build backend servers because the app can't see subscription changes directly2021-09-10
Many different errors all show the same misleading 'couldn't connect to iTunes' message2017-12-05