Pebble Steel vs. Fitbit Charge 2 vs. Polar Loop 2 vs. Polar M430 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Steel
Charge 2
Loop 2
M430
Grayson
Grayson
 PebbleSteelRemove Buy NowFitbitCharge 2Remove Buy NowPolarLoop 2Remove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$150$120$255$350$350
Release201420162015201720182018

Activity & Fitness

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

Battery

Duration5-7 days5 days8 days (without notifications)30 hours24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a128x128453 x 454453x454
Size1.26 inchesn/an/a1.4 inch1.39 inches1.39 inches
Touchn/a
Typee-paperOLEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a2 ATMWR301 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables