Variety of TrackersFitness trackers and wearables come in different forms and types. Each of them has their own unique features and specifications. Some even come in customized designs to fit in the personality of the users. Choosing the best model primarily depends on your needs and your wants in order to properly perform the workout routines. This may include a GPS for better tracking of the distance you run, a heart rate feature for better monitoring of the heart rate through your watch, and a lot more.