Why am I being charged 9.99 a month?
What is this charge?
Apple Intelligence is now available on iPhone, iPad, and Mac!
What is this charge?
Unknown Charge
Phishing
Unknown Charge
Phishing
Did you by any chance sign up for an Apple Music subscription? That costs $9.99/month. See this link on how to check your subscriptions on your iPhone --> See or cancel your subscriptions - Apple Support
There's your answer. The app appears to be free, but as with most apps, there are in-app purchases and you evidently agreed to one of the monthly purchases, which was one month free. If you don't want it use the link to cancel the subscription I provided. You will be charged for the month you agree to pay for, but you won't pay for future months.
Why am I being charged 9.99 a month?