Why am I being charged 9.99

See the Apple Support article(s) below. Link to contact Apple Support in the article.

Apple ID - If you see ‘itunes.com/bill‘ or an unfamiliar charge on your bank, credit card, or debit statement.    *

Looks like for iCloud subscription.

Check -> Go to -> Settings -> your name -> iCloud -> if you see 50 GB (or 200 GB or 2 TB) then you have an iCloud subscription.

If you have an iCloud subscription, you will receive a monthly bill from Apple, check your email box.

You pay monthly for iCloud storage.

See -> iCloud+ plans and pricing -> iCloud+ plans and pricing - Apple Support

If it is not for iCloud subscription, see the following Apple articles:

View your purchase history for the App Store, iTunes Store, and other Apple media services

View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support

How apps, content, and subscriptions from Apple are billed

How apps, content, and subscriptions from Apple are billed - Apple Support

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

-> You can try to request a refund, refund only within 90 days.

-> If you have requested a refund, you must wait until Apple has approved. Then you will receive a message from Apple.

See the following Apple articles:

If you want to cancel a subscription from Apple

If you want to cancel a subscription from Apple - Apple Support

If the subscription that you want to cancel is not listed

If you want to cancel a subscription from Apple - Apple Support

Identify legitimate emails from the App Store or iTunes Store

Identify legitimate emails from the App Store or iTunes Store - Apple Support