Cancel Service

I’ve just signed up to the BoldGrid Service, and it is not what I was anticipating. For example, there is no way to create a new database or have the type of control that one would have through a CPanel WordPress install. I was hoping to use the BoldGrid service as a testing ground for various sites before uploading to their permanent home. However, it is a too-controlled environment to be able to do that. So, how do I cancel the service? There is nothing on the site that seems to allow me to do that – either now, or when my subscription comes up for renewal.