Polar M400 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. MobVoi TicWatch Pro vs. Fitbit Charge vs. Michael Kors Grayson

 
M400
G-Shock GBA800
Grayson
TicWatch Pro
Charge
Grayson
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMobVoiTicWatch ProRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$120$350$300$130$350
Release201420182018201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years24 hours30 days7-10 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454400 x 400NA453x454
Sizen/a1.39 inches1.4 inchesNA1.39 inches
TouchNA
Typen/aAMOLEDOLED/FSTNOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATM1 ATMIP681 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSNAAndroid Wear
Apps
Music

All Wearables