I want to sell monthly subscription for my android app, which means a fixed amount would be debited from the user's account each month.
My question is, how much do I need to pay Google as transaction fee and how often? I know that Google charges 30% transaction fee, but is it just one time fee or it would be charged each month for a subscription?
Does Google also reduce the transaction fee after an year or so like Apple does(30% for the first year then 15% for subsequent years)?
I couldn't find much detail here, other than the transaction fee. Please guide if there are other available documents on the same.
Thanks!