how can i cancel a puchase of an app?

I purched the MLB app today, I do not want it, how can I cancel it. So it is not charged to me.

Thank you, Jeri Evans 3/21/22

If you got an email receipt, use the 'Report a Problem' link in it. Otherwise, click here and ask the iTunes Store staff for a refund.

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Read the Apple Recommended response from Niel.