Fitbit or Jawbone - what activity tracker should you be rocking? Jawbone versus Fitbit has been the big battle of the fitness tracker genre since 2011 when the original UP and the Fitbit Ultra both went on sale. The rivalry continue with the Fitbit Charge HR and the Jawbone UP3 going head-to-head for your wrist-space. This might not be Fitbit’s newest tracker, but it’s still one of the most popula