Polar Loop 2 vs. Michael Kors Grayson vs. Jawbone UP4 vs. Polar Loop vs. Michael Kors Grayson

 
Loop 2
Grayson
UP4
Loop
Grayson
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$350$200$100$350
Release20152018201520132018

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hoursNA5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NANA453x454
Sizen/a1.39 inchesNANA1.39 inches
TouchNA
TypeLEDAMOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATMNA2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables