Polar M400 vs. Fitbit One vs. Moov Now vs. Withings Go vs. Fitbit Alta HR

 
M400
One
Now
Go
Alta HR
 PolarM400Remove Buy NowFitbitOneRemove Buy NowMoovNowRemove Buy NowWithingsGoRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$100$79$80$150
Release20142012201520162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days6 months8 months7 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/a128 x 36
Sizen/an/an/an/a1.4 inches
Touchn/an/a
Typen/aOLEDn/aE-InkOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/an/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistantn/a5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables