Apple Watch Series 3 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Core vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Watch Series 3
Flex 2
Grayson
Core
Watch Series 4
Grayson
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$329$100$350$99$329$350
Release201720162018201620182018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration18 hours5 days24 hoursNANot Yet24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a453 x 454NA384 x 480453x454
Size1.5 inches or 1.65 inchesn/a1.39 inchesNA1.78 inches1.39 inches
Touchn/aNA
TypeAMOLEDLEDAMOLEDNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNANot Yet1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4n/aAndroid WearNAWatch OS 5Android Wear
Apps
Music

All Wearables