If you want a refund for SuperGrok, first make sure Apple actually billed you....

https://dibz.me/blog/does-deleting-the-supergrok-app-cancel-the-subscription-1202

If you want a refund for SuperGrok, first make sure Apple actually billed you. Check your iOS Subscriptions to confirm it’s on there. Simply canceling the subscription won’t give you a refund. To request one, go to reportaproblem.apple