Polar V800 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
V800
Flex 2
Grayson
Charge
Grayson
Vivosmart 4
 PolarV800Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$100$350$130$350$130
Release201420162018201420182018

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days5 days24 hours7-10 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NA453x45448 x 128
Sizen/an/a1.39 inchesNA1.39 inches0.74 inches
Touchn/aNA
Typen/aLEDAMOLEDOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables