Polar V800 vs. Fitbit Alta vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Jawbone UP4 vs. Michael Kors Grayson

 
V800
Alta
WSD-F20A
Grayson
UP4
Grayson
 PolarV800Remove Buy NowFitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$470$130$399$350$200$350
Release201420162018201820152018

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days1 day24 hoursNA24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320453 x 454NA453x454
Sizen/an/a1.32 inches1.39 inchesNA1.39 inches
Touchn/aNA
Typen/aOLEDLCDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM1 ATMNA1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables