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Fitbit Charge 4 vs Polar A370

    Fitbit Charge 4 Activity Tracker
    Fitbit Charge 4
      Polar A370 Activity Tracker
      Polar A370
      Available colors
      Editiorial reviews
      13
      4.0 out of 5
      9 user ratings
      5 stars
      		11 %
      4 stars
      		88 %
      3 stars
      		0 %
      2 stars
      		0 %
      1 stars
      		0 %
      Read editorial reviews
      7
      3.3 out of 5
      5 user ratings
      5 stars
      		0 %
      4 stars
      		40 %
      3 stars
      		60 %
      2 stars
      		0 %
      1 stars
      		0 %
      Read editorial reviews
      User rating
      46
      3.9 out of 5
      46 user ratings
      5 stars
      		23 %
      4 stars
      		47 %
      3 stars
      		23 %
      2 stars
      		2 %
      1 stars
      		2 %
      40
      4.0 out of 5
      40 user ratings
      5 stars
      		22 %
      4 stars
      		55 %
      3 stars
      		22 %
      2 stars
      		0 %
      1 stars
      		0 %

      Full Comparison

      Units:

      Image

      Fitbit Charge 4Fitbit Charge 4
      Polar A370Polar A370
      Screen size1.56 in0.96 in
      Display typeOLEDTFT

      Dimensions

      Fitbit Charge 4Fitbit Charge 4
      Polar A370Polar A370
      Weight1.06 oz1.32 oz

      Design

      Fitbit Charge 4Fitbit Charge 4
      Polar A370Polar A370
      Colour of product
      • Black
      • Blue
      • Purple
      • Black
      • Blue
      • Pink
      • White

      Features

      Fitbit Charge 4Fitbit Charge 4
      Polar A370Polar A370
      Heart rate monitoryesyes
      Calorie counteryesyes
      Distance meteryesyes
      Pedometeryesyes
      Sleep readingyesyes
      Touchscreenyesyes
      Vibration alarmyesyes

      Connectivity

      Fitbit Charge 4Fitbit Charge 4
      Polar A370Polar A370
      Bluetoothyesyes
      Bluetooth version4.04.0
      GPSyesno
      NFCyesno

      Power

      Fitbit Charge 4Fitbit Charge 4
      Polar A370Polar A370
      Battery life7.0 day4.0 day
      Battery type
      Lithium Polymer
      Lithium Polymer

      Pros & Cons

      Pros
          Cons

              Often compared with Fitbit Charge 4

              Fitbit Charge 4 Activity Tracker
              Fitbit Charge 5
              FitbitCharge 4
              FitbitCharge 5
              Fitbit Charge 4 Activity Tracker
              Fitbit Charge
              FitbitCharge 4
              FitbitCharge
              Fitbit Charge 4 Activity Tracker
              Fitbit Charge 3
              FitbitCharge 4
              FitbitCharge 3
              Fitbit Charge 4 Activity Tracker
              Fitbit Inspire
              FitbitCharge 4
              FitbitInspire
              Fitbit Charge 4 Activity Tracker
              Fitbit Inspire 2
              FitbitCharge 4
              FitbitInspire 2
              Fitbit Charge 4 Activity Tracker
              Fitbit Charge 2
              FitbitCharge 4
              FitbitCharge 2
              Fitbit Charge 4 Activity Tracker
              Garmin Vívosmart 4
              FitbitCharge 4
              GarminVívosmart 4
              Fitbit Charge 4 Activity Tracker
              Garmin Vívofit
              FitbitCharge 4
              GarminVívofit

              Often compared with Polar A370

              Polar A370 Activity Tracker
              Fitbit Charge 4
              PolarA370
              FitbitCharge 4
              Polar A370 Activity Tracker
              Polar A360
              PolarA370
              PolarA360