Polar Loop 2 vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Pebble Core vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Loop 2
Grayson
TicWatch S
Core
Grayson
T-Rex
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$350$199$99$350$140
Release201520182017201620182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours1.5-2 daysNA24 hours20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454400 x 400NA453x454360 x 360
Sizen/a1.39 inches1.4 inchesNA1.39 inches1.3 inches
TouchNA
TypeLEDAMOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATMIP67NA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0NAAndroid WearBuild-in
Apps
Music

All Wearables