The ultimate cardio fitness and heart rate monitor system for iPhone and iPod touch. Track your heart rate as you exercise for maximum workout efficiency – whether you want to burn fat, get fit or improve stamina, making sure your heart rate is at the right level is key top achieving your goals. Get custom workouts based around your body’s stats, and monitor your progress over time. Track your weight, waist, BMI, resting heart rate, basal metabolic rate and more.