Unfortunately Yes. Although free version contains all the features, there are 3 limitations to the free version.
That's all we could afford in free version :(
Well, the costing is entirely in your hands!
The cost of Smart Website can very from person to person depending on his/her needs. It mainly depends on no of pages you would want & kind of theme you need.
To know the cost of your Smart Website, Login to your Smart Website & click on upgrade option present in footer section. You will be asked five simple questions. Answering the same will let you know the cost instantly.
(Meanwhile did we mention that paid version starts as low as Rs 700/Page/Year!)