Our fitness apps provide simple and effective workouts that help users stay fit. Spintensity is one such app which has been designed for people who can't go out to the gym. We have provided three sample workouts with sessions and intervals that cover high intensity interval training. You can add your workouts and track your progress by adding your daily workout details to your calendar. You can enjoy music while you are working out and you can track your heartbeat using our MHR calculator. More features to suit your needs. Try our app now.