Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.

MyZone is the fitness company you’ve seen or heard of, but possibly never used. Its chest-strap heart rate monitors have tracked (often high-level) fitness types during their gym’s HIIT classes, while ...

They both do the same thing but in vastly different ways. We lay out the pros and cons of wrist and chest strap heart rate monitors When you purchase through links on our site, we may earn an ...

If you want to get a fitness tracker, you have to decide is if you want one that’s compatible with a heart-rate monitor. Learning your heart-rate patterns, both during a workout and during daily ...

Steps used to be the one single way fitness trackers assessed their daily health goals, but times have changed. It’s all about the heart rate now, and monitors need to be accurate to give you a good ...

Are chest straps really that necessary any more? For many the answer is “less than ever” thanks to improved accuracy of watch HR tech, but the Garmin HRM 600 is here to prove there’s life in the HR ...

Chest straps come in two varieties: electrical and optical. When I say a chest strap is more accurate than a watch, I'm talking about the electrical kind. These use electrodes that contact your skin, ...