Polar Loop 2 vs. ASUS ZenWatch 3 vs. Polar M430 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
Loop 2
ZenWatch 3
M430
Grayson
Flex
Grayson
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$229$255$350$100$350
Release201520172017201820132018

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours30 hours24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400128x128453 x 454NA453x454
Sizen/a1.39 inches1.4 inch1.39 inchesNA1.39 inches
TouchNA
TypeLEDAMOLEDLCDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR301 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearNAAndroid Wear
Apps
Music

All Wearables