Polar M600 vs. Polar Loop 2 vs. Michael Kors Access Sofie vs. Fitbit Charge vs. Pebble Core

 
M600
Loop 2
Access Sofie
Charge
Core
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitChargeRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$330$120$395$130$99
Release20162015201720142016

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)1 day7-10 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a390 x 390 1.19 inchesNANA
Size1.3 inchesn/aNANA
Touchn/aAMOLDEDNANA
TypeTFTLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM1 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid Wear 2.0NANA
Apps
Music

All Wearables