Fitbit is a fitness tracker device that is mainly designed to track your physical health. Though now it comes with so many features of calls and message notifications just like smartwatches. Smartwatches also come with so many features along with it looks which give you the feel of wearing a watch. Both devices come with almost the same features as everyone wants all the features in one device and doesn’t usually buy two different devices for different work. If you are health freak then you can opt for Fitbit but if you like watch appearance then smartwatches can be the best choice.