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 ...

Evidence in the latest version of the Oura app for Android suggests heart rate zones support is coming soon. Oura would have six different zones. This is a feature we usually see on smartwatches and ...

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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. February 18, 2025 Add ...

Back into fitness after a multi-month hiatus, I was looking for all the help I could get. I agonized over which wearable to commit to (read: procrastinated my first exercise session as long as ...