To cancel Grok properly, make sure you do it through the exact billing channel...
https://emilioezho292.theglensecret.com/why-does-grok-show-active-after-i-canceled-in-apple-subscriptions
To cancel Grok properly, make sure you do it through the exact billing channel you used—like grok.com (Stripe), Apple Subscriptions, Google Play, or X Premium on x.com. For business or API plans, cancel via console.x.ai Billing or console.x.ai