Fitbit One vs. Polar Loop 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Jawbone UP3 vs. Michael Kors Grayson

 
One
Loop 2
WSD-F20A
Grayson
UP3
Grayson
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$120$399$350$180$350
Release201220152018201820132018

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)1 day24 hours7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

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
TouchNA
TypeOLEDLEDLCDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM5 ATM1 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables