Fitbit offers numerous devices in the activity tracking market, from the plain and simple Flex 2 to its GPS sportswatch, known to friends as Ionic.

The latest device to join the Fitbit family is the Charge 3. We’ve compared it to the Fitbit Charge 2, as well as the Charge and Charge HR to see how the devices differ and help you work out whether or not you should upgrade.

Fitbit Charge 3 vs Charge 2 vs Charge HR: Design

• Charge HR: Small OLED display, buckle fastening, PurePulse HR monitor, plastic, non-removable straps
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