As a developer I have a question I would like cleared up. We offer two tiers of annual subscriptions in our apps. These subscriptions are under the same subscription group in App Store connect. My question is, if a user purchases tier 1 of the annual subscription for $10.00, and uses it for 6 months; then chooses to upgrade to tier 2 which costs $20.00 per year. Would the user be pro-rated the difference in price i.e. charge only another $10.00 at the time of the upgrade., or are they charged $20.00 and then refunded the difference in their remaining lower tier subscription? I keep finding inconsistent answers across the Apple community forums on this.
Annual in-app subscription upgrade prorated?
We appreciate your interest in participating in the forums! These forums are for questions about developing software and accessories for Apple platforms. Your question seems related to a consumer feature and is better suited for the Apple Support Communities
https://discussions.apple.com/welcome
Based on the documentation at https://developer.apple.com/app-store/subscriptions/
"Upgrade. Someone purchases a subscription that offers a higher level of service than their current subscription. They’re immediately upgraded and receive a refund of the prorated amount of their original subscription. If you’d like people to immediately access more content or features, rank the subscription higher to make it an upgrade."
Hope this helps but I would recommend to go to the subscription link and go over all the terms for subscriptions, if you have any other questions about that, please contact that team or Apple Support Communities.
Albert Pascual Worldwide Developer Relations.