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

 
Flex 2
Grayson
Flex
Core
Watch Series 4
Grayson
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$350$100$99$329$350
Release201620182013201620182018

Activity & Fitness

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

Battery

Duration5 days24 hours5 daysNANot Yet24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NANA384 x 480453x454
Sizen/a1.39 inchesNANA1.78 inches1.39 inches
Touchn/aNANA
TypeLEDAMOLEDLEDNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

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

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANAWatch OS 5Android Wear
Apps
Music

All Wearables