If you want a refund for SuperGrok, first double-check who charged your...

https://www.bookmark-suggest.win/to-cancel-grok-properly-make-sure-you-do-it-through-the-exact-billing-channel

If you want a refund for SuperGrok, first double-check who charged your account—sometimes it's through Apple, other times directly from the developer. Look in your iOS Subscriptions settings to confirm