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

https://wiki-zine.win/index.php/How_Do_I_Troubleshoot_reportaproblem.apple.com_Not_Showing_Buttons%3F

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