Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Flex vs. Polar Loop vs. Michael Kors Grayson vs. Fitbit Sense 2

 
Grayson
Charge
Flex
Loop
Grayson
Sense 2
 Michael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$350$130$100$100$350$300
Release201820142013201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7-10 days5 days5 days24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NANANA453x454336x336
Size1.39 inchesNANANA1.39 inches1.59 inches
TouchNANA
TypeAMOLEDOLEDLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATM1 ATM2 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANANAAndroid Wear
Apps
Music

All Wearables