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 ...

Knowledge is power when it comes to performance, these picks help you get it.

Update: The story was updated with statements from Apple and AliveCor. A federal judge dismissed a lawsuit by startup AliveCor which accused Apple (NASDAQ:AAPL) of illegally monopolizing the U.S.

When it comes to heart health, most doctors will tell you the more information, the better. The good news is that the Apple Watch you have strapped to your wrist has several tools to help you keep ...

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 ...

University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools. No extra hardware, no gel, just the phone’s own speaker and microphone. It’s ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 7 minutes ...