Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Fitbit Charge vs. Polar A370 vs. Michael Kors Grayson vs. HTC re Grip

 
G-Shock GBA800
Grayson
Charge
A370
Grayson
re Grip
 CasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$350$130$179.95$350$199
Release201820182014201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years24 hours7-10 daysUp to 3 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NA160 x 80453x454160 x 32
Size1.39 inchesNA1.18 inches1.39 inches1.8 inches
TouchNA
TypeAMOLEDOLEDTFT LCDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM1 ATM1 ATMWR301 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearNA
Apps
Music

All Wearables