If Apple billed your SuperGrok subscription and you want a refund, visit...

https://titusssplendidperspective.almoheet-travel.com/i-signed-up-for-supergrok-and-immediately-regret-it-can-i-get-a-refund

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request one. Go to the iOS Settings app, tap your Apple ID, select Subscriptions, then find SuperGrok