Azumio's Instant Heart Rate app has passed the 10 million download mark, the company announced this week, making it one of the most popular health apps on the market. The app claims to measure a ...

There are plenty of apps that take advantage of your phone’s hardware to do obvious things. You can turn your phone into a GPS unit or even a compass by using the accelerometer and GPS receiver. You ...

When it comes to tracking your heart rate, nothing beats using equipment designed for such a purpose, such as chest strap heart rate monitors or electrocardiograms. However, if you're looking for an ...