Fitbit Flex 2 vs. Amazfit Cor vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Amazfit GTR

 
Flex 2
Cor
Grayson
Core
Grayson
GTR
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$79.99$350$99$350$199
Release201620182018201620182019

Activity & Fitness

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

Battery

Duration5 days12 days24 hoursNA24 hours24 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160453 x 454NA453x454454 x 454
Sizen/a1.23 inches1.39 inchesNA1.39 inches1.39 inches
Touchn/aNA
TypeLEDIPS LCDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables