It has tons of features, including music, payments, waterproofing and great battery life. It's not all perfect though.
The best fitness tracker
Long battery life and stylish design combined with improving app software make the Alta HR the best all-around fitness tracker for most people.
A great tracker for gym workouts
Fitbit's newest Charge 2 does heart rate and complete tracking minus GPS and swimming, but for its price and functions it's our favorite tracker.
The best GPS running watch
Casual and serious runners looking for an all-in-one running watch and fitness tracker can't go wrong with the Forerunner 235.
The best discreet fitness tracker.
The Flex 2 is slim and swim-proof, can track basic fitness data and supports a variety of accessories, including pendants.
The most stylish fitness watch
Garmin's wedding-friendly fashion fitness watch nails the design and still packs a solid set of functions.
The best swim-friendly tracker
Garmin's do-it-all watch tracks multiple activities plus heart rate, and it's swimproof.
The best affordable tracker
The Fitbit Zip is a clip-on fitness tracker with up to six months of battery life, although it doesn't measure floors climbed or sleep.
THE BAD It doesn't track sleep or stairs climbed.
A stylish fitness-infused watch
While it includes some features more commonly found in smartwatches, the Fitbit Blaze is a fully capable fitness tracker with a built-in heart-rate sensor, a vibrant display and good battery life.