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Fitbit Alta HR vs Fitbit Flex

Fitbit Alta HR Activity Tracker
Fitbit Alta HR
Fitbit Flex Activity Tracker
Fitbit Flex
Available colors
Editiorial reviews
18
3.7 out of 5
5 user ratings
5 stars
0 %
4 stars
80 %
3 stars
20 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
16
3.9 out of 5
8 user ratings
5 stars
12 %
4 stars
87 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
38
4.2 out of 5
38 user ratings
5 stars
44 %
4 stars
28 %
3 stars
23 %
2 stars
2 %
1 stars
0 %
40
4.6 out of 5
40 user ratings
5 stars
67 %
4 stars
25 %
3 stars
7 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Braceletyesyes
Bracelet Thickness0.48 in0.39 in
Bracelet Width0.59 in0.55 in
Clipsnono

Image

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Displayyesno
Display typeOLEDLED

Dimensions

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Weight0.81 oz0.3 oz

Design

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Colour of product
  • Black
  • Coral
  • Grey
  • Red
  • Black
  • Blue
  • Green
  • Grey
  • Lime
  • Navy
  • Orange
  • Pink
  • Red
  • Turquoise

Features

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Water resistantyesyes
Fully Waterproofnono
Accelerometeryesyes
Heart rate monitoryesyes
Calorie counteryesyes
Distance meteryesyes
Pedometeryesyes
Sleep readingyesyes
Touchscreenyesno
Vibration alarmyesyes
Watchyesyes

Connectivity

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Bluetoothyesyes
Bluetooth version4.04.0 LE
GPSnono
NFCnoyes

Compatibility

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Compatible devices
  • Android
  • iPad
  • iPhone
  • iPod
  • Windows Phone
  • Android
  • iPad
  • iPhone
  • iPod
  • Windows Phone

Power

Fitbit Alta HRFitbit Alta HR
Fitbit FlexFitbit Flex
Battery life7.0 day5.0 day
Battery type
Lithium Polymer
Lithium Polymer
Charging via USByesyes

Pros & Cons

Pros
      Cons

          Often compared with Fitbit Alta HR

          Often compared with Fitbit Flex