Yes, to play the game with the Smashometer™, you will need a membership. There is a bundle that includes a 3-month, 6-month, and 12-month membership, so you can start playing right away.
Check out our website at www.SmashYourFitness.com, for more information and a handy wizard that will step you through the purchasing process. Also, read our FAQ named "How do I purchase the game through the website?" for even more detail.