Pebble Classic vs. Pebble Steel vs. Polar M400 vs. Asus VivoWatch vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Classic
Steel
M400
VivoWatch
Grayson
Grayson
 PebbleClassicRemove Buy NowPebbleSteelRemove Buy NowPolarM400Remove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$150$200$160$350$350
Release201320142014201820182018

Activity & Fitness

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

Battery

Duration5-7 days5-7 days8 hours to 30 days24 hours to 10 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144168 x 144n/a128 x 128453 x 454453x454
Size1.26 inches1.26 inchesn/aNA1.39 inches1.39 inches
Touch
Typee-papere-papern/aNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aKoodOSAndroid WearAndroid Wear
Apps
Music

All Wearables