Polar M400 vs. Microsoft Band 2 vs. Withings Go vs. Fitbit Alta HR

 
M400
Band 2
Go
Alta HR
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowWithingsGoRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$250$80$150
Release2014201520162017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days48 hours (without GPS)8 months7 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/a128 x 36
Sizen/a1.36 inchesn/a1.4 inches
Touchn/a
Typen/aCapacitative TFTE-InkOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Appsn/a
Music

All Wearables