How to request refund for unauthorized in-app purchase on iPhone?

All you can do is try:

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

You really need to protect your phone to prevent that from happening. Apple provides many tools that will help you with that, but you must use them. The obvious one in your scenario would be to require a Password for purchases:

Require a password for purchases in the App Store and other Apple services - Apple Support

You also have the option to prevent in-app purchases with Screen Time or prevent downloading apps altogether unless you know the Screen Time Passcode.

The people responding on this support forum are users like you. We have no special access to Apple information or your accounts, so unfortunately all we can do is guide you to the information Apple does provide. Apple, however, does not have much on its criteria for refusing refunds. Here are two sections from Apple Media Services Terms and Conditions - Legal - Apple Media Services - Apple

- "All Transactions are final."

I understand this as meaning Apple is starting from a point where any refund is considered an exception. Apple may provide a refund but can also simply say no without having to provide a reason. I understand this can be frustrating but by using the service you agree to the terms.

- "From time to time, Apple may suspend or cancel payment or refuse a refund request if we find evidence of fraud, abuse, or unlawful or other manipulative behavior that entitles Apple to a corresponding counterclaim." Remember that Apple has no way of removing a purchase from your device. They have to trust you are being honest when asking for a refund. It may be certain refund requests might be considered suspicious.

You can see if the terms are different for where you live by clicking on this link Legal - Apple Media Services - Apple select your location and then your language.

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 get the impression that Apple expects people to be proactive with purchases, canceling subscriptions at least 24 hours before trials end, and ensuring that others are not able to make purchases on a user’s account. Note that if you allow another person access to purchasing on a device, or through Family Sharing if you are the Organizer, you are taking responsibility for things they do. Apple offers these proactive features:

On your device you can use Screen Time to prevent unintentional or unauthorized purchases from the App Store, in-app, and other Apple services. —> Use Screen Time to turn off in-app purchases on your iPhone or iPad - Apple Support

Also on your device, require a password for App Store and iTunes purchases —> Require a password for purchases in the App Store and other Apple services - Apple Support

Use Screen Time as part of parental controls on your child's iPhone, iPad, and iPod touch —> Use parental controls on your child's iPhone and iPad - Apple Support

Even though Apple doesn’t have that much criteria or policy about accidental “unauthorized” transactions and purchases, trying contacting to the game’s support centre is reliable in this case. If in this game has any criteria or issue fix about that in specific then if I were you I’d try to contact one of them and see where it gets me.

For some reason, Apple’s guidelines is pretty strict and clear about their purchases, by the time you do a purchase through your Apple Account you can contact them so maybe you could make a refund, just get on in this link > Subscriptions and Billing - Official Apple Support! :)

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

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