In-App Purchase
Comparison of In-app Purchase APIs.
| Feature | Apple's Store Kit (IAP) | Google Play |
|---|---|---|
| User Validation | Apple doesn't require a developer to implement any user validation.
A developer can always trust the System API on the fact of who made a purchase. |
Google strongly recommends to verify who the user who did the purchase, by adding and generating extra information about the purchase (aka Developer Payload).
It's also recommended to have a dedicated secure server to track of purchases. |
