To cancel Grok, make sure you do it through the same billing channel you used...

https://www.list-bookmarks.win/to-cancel-grok-properly-use-the-exact-billing-channel-where-you

To cancel Grok, make sure you do it through the same billing channel you used to subscribe—whether that’s grok.com/Stripe, Apple Subscriptions, Google Play, X Premium on x.com, or console.x.ai for Business or API billing