To cancel Grok properly, make sure to do it through the same billing channel...
https://wiki-byte.win/index.php/Google_Play_Cancel_Button_Missing_for_SuperGrok_%E2%80%93_Why%3F
To cancel Grok properly, make sure to do it through the same billing channel you used: grok.com/Stripe, Apple Subscriptions, Google Play, X Premium on x.com, console.x.ai for Business, or console.x.ai Billing for API auto-recharge