Pebble Classic vs. Michael Kors Grayson vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Classic
Grayson
Flex
Watch Series 4
Access Sofie HR
Grayson
 PebbleClassicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$350$100$329$395$350
Release201320182013201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days24 hours5 daysNot Yet2 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144453 x 454NA384 x 480390 x 390453x454
Size1.26 inches1.39 inchesNA1.78 inches1.19 inches1.39 inches
TouchNA
Typee-paperAMOLEDLEDMicroLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNot Yet0.3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNAWatch OS 5Wear OSAndroid Wear
Apps
Music

All Wearables