I'm being charged every time I download an app

Hello MariaLewis,

It could be this:

How apps, content, and subscriptions from Apple are billed - https://support.apple.com/HT201292

"If you see a pending charge for a small amount

If you update your billing information or add someone to your Family Sharing group, a temporary authorization hold for a small amount might appear on your statement. Authorization holds are removed by your card issuer or financial institution after a short time."

- ~$1 to verify card, later removed.

- Also for Apple Music trial - https://discussions.apple.com/message/29203952#29203952

Unknown Charge

• Curious about a Charge? --> If you see an 'itunes.com/bill' or an unfamiliar charge on your statement
• If you have an issue with an app on App Store or billing --> Request a refund for an App Store or iTunes Store
• You can also request a refund for a recent renewal of an in-app subscription.purchase 

Phishing

• Beware of --> Phishing & Other Suspicious Emails 
• Know how to --> Identify legitimate emails from the App Store or iTunes Store 
• Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams —> Use these tips to avoid scams and learn what to do if you think your Apple ID has been compromised.

An authorization charge was noted as a possible source in the If you see an 'itunes.com/bill' or an unfamiliar charge on your statement article, but this article was updated yesterday and that information removed. Don't ask me why since it is still mentioned in other articles.