Missing functionality for App Store Subscriptions

Some people use their personal phone and laptop for business. As such, some App Store Subscriptions need to be on a business credit card and others on a personal credit card.

At the moment, the only way to change the payment method is to change the default payment method for ALL subscriptions.

Apple.com/feedback does not have an area for App Store, nor does the App Store itself have an area to submit feedback.

I can't be the only one using my devices for personal and business.

I also can't be the only one who needs to use a different payment method for some subscription.

Further, there's no way for people to give feedback about this need, so you're not hearing about it.

This functionality needs to be added and would be a great improvement for users who use their devices for personal and business use.