If you want a refund for SuperGrok, first double-check who billed you—sometimes...
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 billed you—sometimes it's Apple directly. Look in your iOS Subscriptions to see if it’s active. Remember, canceling the subscription stops future charges but doesn’t refund past payments