Pebble Steel vs. Polar M400 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Huawei Band 2

 
Steel
M400
Grayson
Core
Grayson
Band 2
 PebbleSteelRemove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$150$200$350$99$350$69.99
Release201420142018201620182017

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days24 hoursNA24 hours21 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a453 x 454NA453x454128 x 32
Size1.26 inchesn/a1.39 inchesNA1.39 inches0.91 inches
TouchNA
Typee-papern/aAMOLEDNAAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables