Polar Loop 2 vs. Casio G-Shock GBA800 vs. Fitbit Versa vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 8

 
Loop 2
G-Shock GBA800
Versa
Grayson
Grayson
Watch 8
 PolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$120$120$199.99$350$350$499
Release201520182018201820182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 years4 days24 hours24 hours18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300453 x 454453x454340 x 272 or 390 x 312
Sizen/a1.34 inches1.39 inches1.39 inches1.5 inches or 1.65 inches
Touch
TypeLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM20 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables