Comparing Apple Watch Breathe app and Fitbit Charge 2's Relax mode

"Stress reduction" features probably don't top your list of must-have functionality in a wearable, but if you're looking to break up busy days with quick, deep-breathing exercises, you now have two excellent choices: Apple's new Breathe app in watchOS 3 and Fitbit's Relax mode, which is currently only available on the new Charge 2 tracker.To read this article in full or to leave a comment, please click here