Polar A360 vs. Michael Kors Grayson vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
A360
Grayson
Charge
On Full Guard 2.5
Grayson
Vivosmart 4
 PolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$350$130$325$350$130
Release201520182014201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days24 hours7-10 days4 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80453 x 454NA454x454453x45448 x 128
Size1.18 inches1.39 inchesNA1.39 inches1.39 inches0.74 inches
TouchNA
Typen/aAMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM1 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OSAndroid Wear
Apps
Music

All Wearables