Itunes try to charge me 19 riyal why? What is my subscription?

Two questions -

First what is the charge for?

This Apple support Billing Article should answer your question.

Subscriptions and Billing - Official Apple Support

Secondly

Reasons your payment card may be declined

1.            Account suspended for suspected fraud.

2.            Address in your iTunes account does not match exactly the billing address for the card

3.            Error in credit card number

4.            Insufficient balance or you still owe money on a subscription

5.            The card was not issued in the country of the iTunes store

6.            Wrong expiration date

7.            Wrong security (CVV) code

8.            You are connected through a VPN provider that makes iTunes think you live elsewhere - uninstall VPN

9.            You live  in India

About billing for Apple subscriptions and media products in India – Apple Support (UK)

10.        You live in Russian Federation or use Russian banks or cards

Here is additional information from Apple if your payment method is declined.

If your payment method is declined in the App Store or iTunes Store - Apple Support

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

If you see "apple.com/bill" on your billing statement

If you see "apple.com/bill" on your billing statement – Apple Support (UK)

If you see an unexpected charge: 

You can request a refund* for a purchase that you don't recognize, but you must pay for the purchase first. You can also cancel a subscription if you don't want to continue it.

*You must request the refund within the refund period.

Refunds are not guaranteed. For more information, see the Terms & Conditions.

❗️Identify legitimate emails from the App Store or iTunes Store

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

Nobody on these boards will know. Use the link to contact Apple Support in the Related Article above.

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