If you want a refund for SuperGrok, first confirm whether Apple or another...

https://blast-wiki.win/index.php/Reportaproblem.apple.com_Won%E2%80%99t_Show_My_SuperGrok_Purchase:_What_to_Do

If you want a refund for SuperGrok, first confirm whether Apple or another service billed you by checking your purchase history. On your iPhone, look under Settings > Subscriptions to see if you’re still subscribed