If you want a refund for SuperGrok, first double-check who charged...
https://www.slideserve.com/aaron_ward92/apple-refund-portal-not-working-on-safari-what-browser-should-i-try-next
If you want a refund for SuperGrok, first double-check who charged you—sometimes it might be through Apple or directly from the developer. Look in your iOS Subscriptions to confirm