Turn your smartphone into your personal Heart Rate Monitor! Heart rate or heartbeat is an important measure of health and fitness. Using the Heart Rate Monitor app, you can now measure and monitor your heart rate! And also use it for optimizing your exercise and to track your progress. Why is this the best heart rate monitor app? ✓ Incredibly accurate in measuring your heartbeat. ✓ Free with unlimited heart rate measurements. ✓ Multiple user profiles. Track the heart health of your family me