Polar M430 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Jawbone UP24 vs. Polar Loop vs. Michael Kors Grayson

 
M430
Stratos
Grayson
UP24
Loop
Grayson
 PolarM430Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP24Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$255$199$350$130$100$350
Release201720182018201320132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours5 days24 hours14 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 300453 x 454NANA453x454
Size1.4 inch1.34 inches1.39 inchesNANA1.39 inches
TouchNA
TypeLCDOLEDAMOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATMSplash Resistant2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryAndroid WearNANAAndroid Wear
Apps
Music

All Wearables