Fitbit One vs. LG Watch Style vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson

 
One
Watch Style
WSD-F20A
Grayson
Loop
Grayson
 FitbitOneRemove Buy NowLGWatch StyleRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$249$399$350$100$350
Release201220172018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360320 x 320453 x 454NA453x454
Sizen/a1.2 inches1.32 inches1.39 inchesNA1.39 inches
Touch
TypeOLEDP-OLEDLCDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP675 ATM1 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables