All-day heart-rate tracking is a step in the right direction, but the smart features aren't nearly smart enough and the fitness side of the Surge is too basic to justify the higher price.
Fitbit's Charge HR adds heart-rate tracking to an already solid fitness band at a great price, but all the kinks don't feel fully ironed out yet.
The Charge tracks steps and sleep, and does it well, but you really should wait for the heart-rate-tracking version next year. Here's why.
The Fitbit Charge is a fine replacement for the discontinued Fitbit Force, but you're better off waiting for Fitbit's heart-rate-tracking upgrade.
Fitbit dives into all-day heart-rate tracking with its new Charge HR and Surge, but you'll have to wait until early 2015 to buy them. We went wrists-on.
All-day heart rate tracking, and it doesn't cost much more than the old Fitbit Charge. The question is, do you need it?
Leaked marketing materials show that Fitbit has a fitness-focused $250 smartwatch on the way, with GPS and continuous heart-rate monitoring.
CNET's Dan Graziano gives you a first look at the latest activity tracker from Fitbit.
Whether you have a compatible smartphone, or need to use a computer, it only takes a few minutes to set up the Fitbit Flex.
Buy a Fitbit Flex or Fitbit Charge, and Microsoft will throw in a pair of $40 earbuds at no charge.