Polar M400 vs. Fitbit Zip vs. Basis Peak vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
Zip
Peak
G-Shock GBA800
Grayson
Grayson
 PolarM400Remove Buy NowFitbitZipRemove Buy NowBasisPeakRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$60$200$120$350$350
Release201420122014201820182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months4 days2 years24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a168 x 144453 x 454453x454
Sizen/an/a1.25 inches1.39 inches1.39 inches
Touch
Typen/an/aLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAAndroid WearAndroid Wear
Apps
Music

All Wearables