The Apple Watch SE performed at the top in our heart-rate accuracy tests and provided reasonable daily step counts and dependable GPS tracking. But its battery life lasts only up to 18 hours, while our other picks have batteries that stretch for multiple days.
What is the most accurate fitness tracker for calories burned?
A study published in the International Journal of Cardiology found that the Fitbit trackers were the most accurate when measuring total calories burned. In fact, they tracked calories burned within 3-4 calories, compared to lab values.
Which fitness tracker lasts the longest?
The Coros Apex multisport GPS watch lasts up to 24 days with normal use—it offers the longest battery life of any model on this list, by far. With the GPS enabled, it will last a full 24 hours.
Are fitness trackers worth it?
A fitness tracker may help. Studies show that consistently using a fitness tracker—a device that tracks your movement, such as a traditional pedometer or other wearable device, or a smartphone app—can increase your steps per day by more than a mile, especially if you establish a heart-smart daily goal.
