Pebble Classic vs. Polar M400 vs. Fitbit One vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Classic
M400
One
Grayson
Core
Grayson
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$200$100$350$99$350
Release201320142012201820162018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days10-14 days24 hoursNA24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a453 x 454NA453x454
Size1.26 inchesn/an/a1.39 inchesNA1.39 inches
TouchNA
Typee-papern/aOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMSplast Resistant1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables