Pure Cardio is the best tool for any type cardio exercise at any fitness level. By constantly measuring your heart rate during a workout, Pure Cardio can encourage you to push yourself harder or take it easy to make sure you stay in your Target Heart Rate Zone, the ideal range of heart Beats Per Minute (BPM) for heart health and fitness improvement.

Pure Cardio works on your Apple Watch by itself, which means there's no need to carry your phone with you while you exercise. It syncs with your phone automatically so you can review your workouts with beautiful graphs. Everyone can reach their target heart rate zone, no matter if they're fast or slow -- or if they don't even like to run or bike!