Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Jawbone UP24 vs. Amazfit Verge vs. Michael Kors Grayson

 
Loop 2
Grayson
Charge
UP24
Verge
Grayson
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowJawboneUP24Remove Buy NowAmazfitVergeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$350$130$130$160$350
Release201520182014201320192018

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours7-10 days14 days5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NANA454x454453x454
Sizen/a1.39 inchesNANA1.39 inches1.39 inches
TouchNANA
TypeLEDAMOLEDOLEDNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM1 ATMSplash ResistantIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAMAZFIT OSAndroid Wear
Apps
Music

All Wearables