Why do you deduct more than the specified charges from my account and also deduct double some times?

This support article is Recommended by Apple as the preferred* resource for identifying payments you may see on a bill.

➜ If you see 'apple.com/bill' on your billing statement - Apple Support

"If you checked https://reportaproblem.apple.com and your emailed receipts and you're still not sure why you were charged, contact Apple Support" using this link --> https://getsupport.apple.com/?caller=ikb&PGF=PGF51002&category_id=SC0060&symptom_id=21084

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* I have a payment of $2.99 per month what … - Apple Community

Once you have found the item in your purchase history, here's how to request a refund (From: Request a refund for apps or content that you bought from Apple - Apple Support - see the article for more detail.)

1. Sign in to reportaproblem.apple.com.

2. Tap or click "I'd like to," then choose "Request a refund."

3. Choose the reason why you want a refund, then choose Next.

4. Choose the app, subscription, or other item, then choose Submit. If you were charged for a subscription that you no longer want, you can also cancel the subscription using the directions in this article --> If you want to cancel a subscription from Apple - Apple Support ].

If you prefer a somewhat more descriptive list that includes a few reasons and solutions not mentioned in the article posted earlier:

The support article If you see 'apple.com/bill' on your billing statement - Apple Support explains how you can check your iTunes and App Stores purchase history, cancel subscriptions, and track possible sources of unrecognized Apple charges you may see on a bill. These may be purchases by family members if you are an organizer of a Family Sharing group, or possibly a second Apple ID you use. The article also provides a specific link for contacting Apple if you cannot trace the source of charges. If you use Apple Card you may find this document helpful too ➞ If you see an Apple Services charge you don't recognize on your Apple Card - Apple Support

Other possibilities to consider (not all may apply in your situation):

● Purchases can be made with your ID if your Apple ID is compromised (read what to do ➞ If you think your Apple ID has been compromised - Apple Support ) or somebody else has access to your device (require a purchase password as explained in this article ➞ Require a password for App Store and iTunes purchases - Apple Support ).

● If you only see a charge in emails or texts that are not official Apple receipts, it is likely phishing attempts ( Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support ).

● If you are absolutely certain neither you, nor Apple, nor a Family Sharing member can account for a charge and it ONLY appears on a bill for a charge card you alone control, you may have been the victim of card fraud. Contact your financial institution.

● Small amounts of ~$1 may be an authorization hold that will be refunded (pending charge ➞ How apps, content, and subscriptions from Apple are billed - Apple Support ).

● Unanticipated amounts may be grouped charges ( How apps, content, and subscriptions from Apple are billed - Apple Support ).

If a purchase is listed in your purchase history and you want to ask for a refund, read this article about how to request a refund for apps or content that you bought from Apple ➞ Request a refund for apps or content that you bought from Apple - Apple Support

If a Family Sharing member made the purchase then you need to discuss this with that person. They would have to initiate any refund request.

If a reporting a problem request is unsuccessful or you have another issue you can also speak with Apple ➞ Choose your country or region - Official Apple Support Select your country, then a product.

or:

Contact Apple for support and service ➞ "See a list of Apple phone numbers around the world."

Click here ➞ Contact Apple for support and service - Apple Support