subscriptions
Wiring subscriptions: a full Play Store checklist
Every step of attaching subscriptions to an Android app, in order, with the specific places it silently breaks and how to tell which layer failed.
RevenueCat
2 postsin-app subscriptions
Most of the work in shipping in-app subscriptions was not code
Wiring in-app subscriptions blocked three releases in one day. Every blocker was a name or a scope that had to match across two systems, and none of them errored.