Polar M400 vs. Fitbit One vs. Misfit Shine 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
One
Shine 2
G-Shock GBA800
Grayson
Grayson
 PolarM400Remove Buy NowFitbitOneRemove Buy NowMisfitShine 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$100$100$120$350$350
Release201420122015201820182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days6 months2 years24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a453 x 454453x454
Sizen/an/an/a1.39 inches1.39 inches
Touchn/a
Typen/aOLEDn/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistant5 ATM20 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables