Refund a moneyHow do I request a refund from an Apple purchase?

See the following support document for steps to follow to request a refund.

click here ➜ Request a refund for apps or content that you bought from Apple - Apple Support

Do note, that since its been over a month now, it may no longer be possible for Apple Support to grant you said refund.

If you feel you want to discuss a refund request, try to contact an Apple representative using a telephone or chat request.

Click here --> Choose your country or region - Official Apple Support Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

"See a list of Apple phone numbers around the world." Click here --> Contact Apple for support and service - Apple Support

I cancel bass booster from the App Store but I cancel it the same day I only received half of what I paid for who do I have to contact about me receiving my other part of my refund