If you want a refund for SuperGrok, first check who actually billed...
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 check who actually billed you—sometimes it’s through Apple or directly from the developer. Look at your iOS Subscriptions to confirm. Remember, canceling doesn’t automatically give you a refund