Fitbit Flex 2 vs. Amazfit Cor vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson vs. Apple Series 6

 
Flex 2
Cor
Grayson
Loop
Grayson
Series 6
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$79.99$350$100$350$399
Release201620182018201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days24 hours5 days24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160453 x 454NA453x454384 x 480
Sizen/a1.23 inches1.39 inchesNA1.39 inches40mm
Touchn/a
TypeLEDIPS LCDAMOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM1 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearWatchOS 5
Apps
Music

All Wearables