react-native-in-app-utils

Exclusively targets iOS, forcing developers to find separate solutions for Android, which complicates cross-platform app development and increases maintenance overhead.

Only provides receipt data as base64 strings; server-side validation requires integrating external libraries or custom solutions, as admitted in the README's recommendation for iap-receipt-validator.

In-app purchases cannot be tested on the iOS Simulator and always fail there, requiring physical devices for all purchase-related debugging, which slows down development iteration.