Fitbit One vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
One
Forerunner 935
WSD-F20A
Grayson
Vivofit 4
Grayson
 FitbitOneRemove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$500$399$350$79.95$350
Release201220172018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 daysUp to 2 weeks1 day24 hours1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320453 x 45488 x 88453x454
Sizen/a1.2 inches1.32 inches1.39 inchesNA1.39 inches
Touch
TypeOLEDLCDLCDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables