How to get apps which costs from google play store without google account

I want to get a app (This one: http://ift.tt/1z5f95D) on my andriod jelly bean galaxy note 2. Until now I have always downloaded my apps without a gooogle account used the http://ift.tt/117gfv2. But this app needs to be pay that I can get it. I would like to buy it (or not) but I do not want to use google.

I want to buy/ get this app without an google account. Is there a similiar service as the apk-downloader to get apps which costs.