Fitbit Surge vs. Polar A360 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Fitbit Flex vs. Michael Kors Grayson

 
Surge
A360
Grayson
Charge 3
Flex
Grayson
 FitbitSurgeRemove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$350$150$100$350
Release201620152018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days12 days24 hours7 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a160 x 80453 x 45466 x 18NA453x454
Size1.26 inches1.18 inches1.39 inches.721 inchesNA1.39 inches
TouchNA
TypeMonochrome LCDn/aAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR301 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables