Polar M600 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Withings Go vs. Pebble Core

 
M600
Activite Sapphire
Charge 2
Go
Core
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowWithingsGoRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$330$450$150$80$99
Release20162014201620162016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 days8 months5 days8 monthsNA
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/an/aNA
Size1.3 inches1.3 inchesn/an/aNA
Touchn/an/an/aNA
TypeTFTAnalogOLEDE-InkNA

Functions

Audio SpeakerAlerts only
Clock
Phonen/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a5 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/an/an/aNA
Appsn/a
Music

All Wearables