Pebble Steel vs. Fitbit One vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Steel
One
Watch Series 2
Grayson
A370
Grayson
 PebbleSteelRemove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$100$269$350$179.95$350
Release201420122016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days10-14 days18 hours24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a340 x 272 or 390 x 312453 x 454160 x 80453x454
Size1.26 inchesn/a1.5 inches or 1.65 inches1.39 inches1.18 inches1.39 inches
Touch
Typee-paperOLEDAMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWatch OSAndroid WearAndroid Wear
Apps
Music

All Wearables