Fitbit One vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson

 
One
Watch Series 2
G-Shock GBA800
Grayson
Loop
Grayson
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$269$120$350$100$350
Release201220162018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours2 years24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312453 x 454NA453x454
Sizen/a1.5 inches or 1.65 inches1.39 inchesNA1.39 inches
Touch
TypeOLEDAMOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATM20 ATM1 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables