Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate.

The Whoop rival tested.

Overview: Top-rated sleep-tracking apps help monitor sleep patterns, optimize rest, and boost daily energy levels for ...

A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

Hello Heart — maker of an app-driven platform designed to help employees manage hypertension, heart rate, and cardiovascular health — has announced the release of a new service for diabetes management ...

SEOUL, South Korea, Jan. 19, 2026 /PRNewswire/ -- Digital healthcare startup 6Letters today announced the official launch of ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

Whoop is a top fitness and health tracker – and one of my favorite devices at Wareable. But if you want to check your heart rate, it can be a little hard to find. I’ve been using Whoop for years – so ...

The rhythm of a healthy heart may seem steady, but underneath that regular thump lies a rich, ever-changing pattern. These beat-to-beat changes, known as heart rate variability, or HRV, reveal much ...