The sister concern: phpfog charges [5$ a month for custom domains](http://appfog.com/products/phpfog/pricing/ http://appfog.com/products/phpfog/pricing/) on the

The sister concern: phpfog charges [5$ a month for custom domains](http://appfog.com/products/phpfog/pricing/ http://appfog.com/products/phpfog/pricing/) on the same tier. I would guess they'll have to eventually pull a switch on that.