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

 
V800
Grayson
Flex
UP4
Grayson
Vivosmart 4
 PolarV800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$350$100$200$350$130
Release201420182013201520182018

Activity & Fitness

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

Battery

Duration13 hours to 30 days24 hours5 daysNA24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NANA453x45448 x 128
Sizen/a1.39 inchesNANA1.39 inches0.74 inches
TouchNANA
Typen/aAMOLEDLEDNAAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM1 ATMNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables