I request product data for check in app items.
Entitled product items return price field but subscript type items not exist field.
How can I subscription items price?
Unlike Consumables and Entitlements, where a specific SKU is tied to a single IAP item, all Subscription IAPs have a parent SKU and child SKUs. The price is set on individual child SKUs. Please see the sample app included in the IAP SDK that demonstrates that concept in code:
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