Pebble Steel vs. Fitbit One vs. Polar Loop 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Steel
One
Loop 2
Grayson
Core
Grayson
 PebbleSteelRemove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$100$120$350$99$350
Release201420122015201820162018

Activity & Fitness

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

Battery

Duration5-7 days10-14 days8 days (without notifications)24 hoursNA24 hours
Rechargeable

Compatibility

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

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant2 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables