To cancel Grok properly, make sure you do it through the same billing channel...
https://domgodwinson38.gumroad.com/p/apple-hide-my-email-made-me-create-a-second-grok-account-how-do-i-spot-it
To cancel Grok properly, make sure you do it through the same billing channel you signed up with: grok.com via Stripe, Apple Subscriptions, Google Play, X Premium on x.com, console.x.ai for Business, or console.x.ai Billing for API auto-recharge