The Burn Baby Burn Fitness Timer is the official app to use with all of your BBB Fitness products. Each of our workout cards contain exercise instructions, as well as multiple workout tiers to help you set your individual fitness goals. Each goal contains suggestions for exercise times, rest times, and number of sets. By using the Burn Baby Burn Fitness Timer app, you will be able to select and modify these options (based on your fitness goals) and time your workout using interactivity, music, and more!