To cancel Grok correctly, use the same billing channel where you signed up —...

https://wiki-book.win/index.php/Cancel_SuperGrok_on_Android_-_What_Menu_in_Google_Play%3F

To cancel Grok correctly, use the same billing channel where you signed up — whether that’s grok.com (Stripe), Apple Subscriptions, Google Play, X Premium at x.com, console.x.ai for Business, or console.x.ai Billing for API auto-recharge