quantified self

Many smartphone apps are just as good as wearable devices at tracking physical activity, a new study suggests.

The Withings Activité Pop is a fitness tracker for people who don't want to look like they're wearing a fitness tracker.

The Withings Aura is a device that aims to track how long and how well you sleep, and also helps you fall asleep easier by shining calming lights and playing soothing lullabies.

Runners aren't the only athletes who can track their stats with a wearable device — a slew of new wearable sensors are aimed at sports players.

The era of ugly fitness trackers may be coming to an end. A number of the fitness trackers on display here at CES 2015 cater to those with an eye for fashion.

The LifeTrak Brite R450 is a new fitness tracker from Salutron that aims to provide a comprehensive view of health and fitness.

The Peak is the latest fitness tracker from Basis, and the device aims to give you a number of insights into your daily activities, while motivating you to live a healthier life.

The Go is a new fitness tracker from watchmaker Soleus that tracks daily steps, calories burned, distanced traveled, workouts and sleep.

The Fit Smart is a new fitness tracker from Adidas that's intended for people who want to improve their workouts, whether that be running or fitness training for sports.