Polar Loop 2 vs. Huawei Watch 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
Loop 2
Watch 2
Grayson
Charge
Charge 3
Grayson
 PolarLoop 2Remove Buy NowHuaweiWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$350$350$130$150$350
Release201520172018201420182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours24 hours7-10 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a480 x 480453 x 454NA66 x 18453x454
Sizen/a1.38 inches1.39 inchesNA.721 inches1.39 inches
TouchNA
TypeLEDP-OLEDAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP681 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearNANAAndroid Wear
Apps
Music

All Wearables