Polar V800 vs. Fitbit Zip vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
V800
Zip
WSD-F20A
Grayson
Grayson
Vivosmart 4
 PolarV800Remove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$60$399$350$350$130
Release201420122018201820182018

Activity & Fitness

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

Battery

Duration13 hours to 30 days6 months1 day24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320453 x 454453x45448 x 128
Sizen/an/a1.32 inches1.39 inches1.39 inches0.74 inches
Touch
Typen/an/aLCDAMOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplash Resistant5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables