Polar Loop 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch 8

 
Loop 2
Grayson
Core
Grayson
re Grip
Watch 8
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$120$350$99$350$199$499
Release201520182016201820202022

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hoursNA24 hours5 hours to 2.5 days18 hrs
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA453x454160 x 32340 x 272 or 390 x 312
Sizen/a1.39 inchesNA1.39 inches1.8 inches1.5 inches or 1.65 inches
TouchNA
TypeLEDAMOLEDNAAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATMNA1 ATMIP575 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAAndroid WearNAWatchOS 9
Apps
Music

All Wearables