Polar M430 vs. Michael Kors Grayson vs. Jawbone UP Move vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple Watch Ultra

 
M430
Grayson
UP Move
Grayson
T-Rex
Watch Ultra
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP MoveRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$255$350$50$350$140$799
Release201720182014201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours24 hours6 months24 hours20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution128x128453 x 454NA453x454360 x 360502x410 pixels
Size1.4 inch1.39 inchesNA1.39 inches1.3 inches1.92 inches
TouchNA
TypeLCDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATMSplash Resistant1 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearBuild-inWatchOS 9
Apps
Music

All Wearables