Michael Kors Grayson vs. Fitbit Charge HR vs. Polar Loop vs. Michael Kors Grayson vs. Mobvoi TicWatch C2 vs. Amazfit T-Rex

 
Grayson
Charge HR
Loop
Grayson
TicWatch C2
T-Rex
 Michael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch C2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$150$100$350$200$140
Release201820152013201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours5 days5 days24 hours2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NANA453x454360 x 360360 x 360
Size1.39 inchesNANA1.39 inches1.3 inches1.3 inches
TouchNA
TypeAMOLEDOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATM2 ATM1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAAndroid WearWear OSBuild-in
Apps
Music

All Wearables