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Compare 5 products

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Fitbit Alta HR Activity Tracker
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Fitbit Charge 2 Activity Tracker
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Fitbit Charge 3 Activity Tracker
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Fitbit Flex 2 Activity Tracker
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Polar Loop 2 Activity Tracker
Available colors

General

Braceletyesyesyesyesyes
Bracelet Thickness0.48 in0.5 in
N/A
0.27 in0.43 in
Bracelet Width0.59 in0.84 in0.72 in0.43 in0.79 in
Clipsnonononono

Image

Displayyesyesyesnoyes
Display typeOLEDOLEDOLEDLED
N/A

Dimensions

Weight0.81 oz1.23 oz1.06 oz0.83 oz1.34 oz

Design

Colour of product
  • Black
  • Coral
  • Grey
  • Red
  • Black
  • Blue
  • Grey
  • Lavender
  • Purple
  • Teal
  • Black
  • Blue
  • Lavender
  • White
  • Black
  • Lavender
  • Magenta
  • Navy
  • Black
  • Pink
  • Red
  • White

Features

Water resistantyesyesyesyesyes
Fully Waterproofnonoyesyesyes
IP code (level of dust/water resistance)IP67IP34IP68
N/A
IP68
Accelerometeryesyesyesyes
N/A
Heart rate monitoryesyesyes
N/A
yes
Caller IDyesyesyes
N/A
N/A
Calorie counteryesyesyesyesyes
Distance meteryesyesyesyesyes
Pedometeryesyesyesyesyes
Sleep readingyesyesyesyesyes
Touchscreenyesyesyesnono
Vibration alarmyesyesyesyesyes
Watchyesyesyesyesyes
Altimeter
N/A
yesyes
N/A
N/A
Stopwatch
N/A
yesyes
N/A
N/A
Status indicator (LED-diod)
N/A
N/A
N/A
yesyes
Speedometer
N/A
N/A
N/A
N/A
yes
Support for HRM chest strap
N/A
N/A
N/A
N/A
yes

Connectivity

Bluetoothyesyesyesyesyes
Bluetooth version4.04.0 LE4.04.0
N/A
GPSnonononono
NFCnonoyesnono

Compatibility

Compatible devices
  • Android
  • iPad
  • iPhone
  • iPod
  • Windows Phone
  • Android
  • iPad
  • iPhone
  • iPod
  • Windows Phone
  • Android
  • iPad
  • iPhone
  • iPod
  • Android
  • iPad
  • iPhone
  • iPod
  • Windows Phone
  • Android
  • iPad
  • iPhone
  • iPod

Power

Battery life7.0 day5.0 day7.0 day5.0 day8.0 day
Battery type
Lithium Polymer
Lithium Polymer
Lithium Polymer
Lithium Polymer
Lithium Polymer
Charging via USByesyesyesyesyes
Battery capacity
N/A
N/A
N/A
N/A
38.0 mAh

Often compared with Fitbit Alta HR

Often compared with Fitbit Charge 2

Often compared with Fitbit Charge 3

Often compared with Fitbit Flex 2

Often compared with Polar Loop 2