Polar M430 vs. Michael Kors Grayson vs. Fitbit Charge vs. Jawbone UP24 vs. Michael Kors Grayson vs. Fitbit Sense 2

 
M430
Grayson
Charge
UP24
Grayson
Sense 2
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowJawboneUP24Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$255$350$130$130$350$300
Release201720182014201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours24 hours7-10 days14 days24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128453 x 454NANA453x454336x336
Size1.4 inch1.39 inchesNANA1.39 inches1.59 inches
TouchNANA
TypeLCDAMOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM1 ATMSplash Resistant1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAAndroid Wear
Apps
Music

All Wearables