Polar V800 vs. Michael Kors Grayson vs. Jawbone UP4 vs. Polar A370 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
V800
Grayson
UP4
A370
Grayson
Vivosmart 4
 PolarV800Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$350$200$179.95$350$130
Release201420182015201720182018

Activity & Fitness

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

Battery

Duration13 hours to 30 days24 hoursNAUp to 3 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA160 x 80453x45448 x 128
Sizen/a1.39 inchesNA1.18 inches1.39 inches0.74 inches
TouchNA
Typen/aAMOLEDNATFT LCDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMNAWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables