🏬iOS StoreKit Configuration

For the In-App purchase feature to work, you must create your own StoreKit configuration for testing and add your products from the Appstore Connect account for production.

Please refer to the link below for further info on the testing configuration

Setting up StoreKit Testing in Xcode | Apple Developer DocumentationApple Developer Documentation

An refer to this tutorial for setting up your products in AppStore Connect account

Swift — StoreKitMedium

Once you setup everything, you can add the store products id you created inside the project in Store.swift file like the picture below