Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit GTR vs. HTC re Grip

 
Grayson
A370
Grayson
Inspire HR
GTR
re Grip
 Michael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$350$179.95$350$99$199$199
Release201820172018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hoursUp to 3 days24 hours5 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454160 x 80453x454139 x 60454 x 454160 x 32
Size1.39 inches1.18 inches1.39 inches1.4 inches1.39 inches1.8 inches
Touch
TypeAMOLEDTFT LCDAMOLEDOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMWR301 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearFitbit OSBuild-inNA
Apps
Music

All Wearables