It is free and its a great service but!!!
It was always down and unreliable when I used it but since I got smart pro I have had no problems and it is heaps faster with my own server.
Not saying to spend the big bucks on smart pro but get your own rms server is the way to go.
If you can't install it yourself the guys will for 89 bucks but if you can afford smart pro it is the way to go.
You wont regret it I didn't