What heart rate app do you use (if any)? I've been using ...

Most accurate and easy-to-use heart rate app - Used in heart research at UCSF! - Get your heart rate in less than 10 seconds - Check your stress levels

Interested in casually tracking your heart rate? Try one of these apps, which use your smartphone's camera.

Wear Heart Rate gives an instant heart rate measurement. It can be run as an app, so it can be assigned to a hardware button. Or it can be run as a tile.

Wahoo Fitness app will alert HR zone changes. You can customize the alerts you want, and it will say which HR zone you move into as it changes.

Yes, they are legit. If you have a phone with a LED flash, and if you want to see how they work;. put your camera in video mode.

I'd say its pretty accurate if your pulse isn't too high, when it goes higher I think it may have a little bit of trouble registering well ...

I have the Forerunner 245 Music and I can see my heart rate in real time on the Connect app. It might be worth looking into if your device doesn ...

I have Heart Analyzer as well. I just jump between them when in get bored with one. All the data are still there in both, so it really doesn't matter.

Use the Workout called Weightlifting, then you'll have Time elapsed and constant HR shown when woken and in the AOD.

Does anyone know of a third party app for heart monitoring with an audible alarm? Whether for the H10 chest strap, or for Polar's arm band?