Why was I charged more than I saw for the monthly Kismia premium subscription
Why was I charged more than what I saw as the charge in the Kismia monthly premiumapp?
See the following Apple articles:
View your purchase history for the App Store, iTunes Store, and other Apple media services
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
How to cancel a subscription from Apple
How to cancel a subscription from Apple - Apple Support
If the subscription that you want to cancel is not listed
If the subscription that you want to cancel is not listed - Apple Support
Identify legitimate emails from the App Store or iTunes Store
Identify legitimate emails from the App Store or iTunes Store - Apple Support