Polar M400 vs. Misfit Ray vs. Apple Watch Series 2 vs. Fitbit Charge vs. Pebble Core

 
M400
Ray
Watch Series 2
Charge
Core
 PolarM400Remove Buy NowMisfitRayRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitChargeRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$100$269$130$99
Release20142016201620142016

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months18 hours7-10 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312NANA
Sizen/an/a1.5 inches or 1.65 inchesNANA
Touchn/aNANA
Typen/aLEDAMOLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSNANA
Apps
Music

All Wearables