The Cardio Load calculation is a metric the Fitbit app uses to suggest how much Pixel Watch and Fitbit users should exercise, but it can be hard to understand. It's also recently been updated for the ...

CardioMapper, the first app to use the Bluetooth Smart low-energy spec, is now available in Apple's AppStore and available for iPhone 4S users. The $1.99 app from developer body-PRO is capable of ...