Polar V800 vs. TomTom Spark vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
V800
Spark
Grayson
Loop
Grayson
Vivosmart 4
 PolarV800Remove Buy NowTomTomSparkRemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$150$350$100$350$130
Release201420152018201320182018

Activity & Fitness

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

Battery

Duration13 hours to 30 daysn/a24 hours5 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NA453x45448 x 128
Sizen/an/a1.39 inchesNA1.39 inches0.74 inches
Touch
Typen/aLCDAMOLEDLEDAMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM2 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables