No way. Time is short. They aren't selling carrots. This isn't a commodity. There's no "market price" for a quality service. If you don't think it's a quality service, then don't use it. If you do think it's a quality service, then $15 is a no-brainer.
I follow the Patio11 school of thought. Charge more. Then charge more again. You should be doing that for your own services and you should be using services which do this.
Sure, there are some consumer focused services which in reality do need to be price conscience. Roam isn't one of these services.
As I said in another comment, if Roam were a commodity, then why are we even talking about it? Let's change the subject. So, Notepad...