You turn on the app, gently place your finger over the camera lens, and hold it steady there for at least 10 seconds; the app then tells you your heart rate. How is that possible?

Did you know you can measure your heart rate with your Android phone? Here's how: Step 1: From the Android Market, find and install Instant Heart Rate.

The Peloton app for Android TV just picked up a big upgrade with support for heart rate monitors so you can track your heart rate during a workout.

One of the marquee features of Samsung's new Galaxy S5 is its integrated heart rate monitor. Here's a little secret, though: You can actually check your pulse with any Android phone.

Cardiogram announced it has launched for Android Wear. The app is compatible with any Android Wear watch that has a heart rate sensor.

Meta first made people's VR fitness stats viewable outside of their Quest headsets when it gave iOS users the capability to sync their progress with Apple Health last year.

A teardown of the latest version of the Oura Android app shows the company is working on adding heart rate zones.

Google is adding a heart and respiratory rate feature to the Fit app on Pixel phones, with plans to add the capability to others later on. Both features use the camera to take the measurements.