Fitbit Charge 4 vs Charge 3: Ultimate Comparison
Fitbit recently refreshed it’s smart trackers lineup when it launched the Charge 4 as a follow-up to the excellent Fitbit charge 3. This Fitbit charge 4 vs charge 3 comparison will help you decide if you should upgrade your tracker (for those of you that already owned the Fitbit Charge 3), or if you should …
