This feature is only available for purchases made through the App Store. However, according to Apple policies, in-app purchases cannot be shared with family members. Please, learn more about what types of content you can share with your family using purchase sharing.
Can I share my subscription via the Family Sharing feature?
CHOOSE YOUR PLATFORM
According to Apple policies, in-app purchases cannot be shared with family members. Please, learn more about what types of content you can share with your family using purchase sharing.