Fitbit Charge 6 vs Fitbit Charge 5: Should you upgrade?

The original Fitbit Charge was released all the way back in 2014 and the fitness tracker has come a long way since the first iteration that was little more than a step counter. Over the years, the Fitbit Charge has seen new features added with each new model, culminating with the Fitbit Charge 5 that can monitor everything from your blood oxygen to your stress levels.