Pebble Time Round vs. Polar Loop 2 vs. Michael Kors Grayson vs. Pebble Core vs. Polar Loop vs. Michael Kors Grayson

 
Time Round
Loop 2
Grayson
Core
Loop
Grayson
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$120$350$99$100$350
Release201520152018201620132018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)24 hoursNA5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454NANA453x454
Sizeroundn/a1.39 inchesNANA1.39 inches
TouchNA
Typee-paperLEDAMOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATMNA2 ATM1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables