If you’re a coach or trainer looking for a simple, effective way to display live heart rate data during group training sessions ,...

Our team ran a controlled workout test to see how these two technologies respond to real changes in heart rate. We used two well-known brand devices—one ECG-based, the other PPG-based—worn simultaneously during intervals of physical activity.

Whether you're coaching a team, running fitness classes, or managing group training sessions, tracking heart rate in real time gives you...