Both the Fitbit Charge 3 and the Fitbit Charge 4 are, without a doubt, two of the most amazing fitness trackers now available on the market. However, like to other forms of contemporary technology, their displays are susceptible to scuffs, cracks, and dents as a result of normal use. Because the screens on the Charge 3 and Charge 4 are same sized, these screen covers may be used with any model.