TomTom Spark vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Polar Loop vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Spark
Grayson
Charge 3
Loop
Grayson
Vivosmart 4
 TomTomSparkRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$350$150$100$350$130
Release201520182018201320182018

Activity & Fitness

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

Battery

Durationn/a24 hours7 days5 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 45466 x 18NA453x45448 x 128
Sizen/a1.39 inches.721 inchesNA1.39 inches0.74 inches
Touch
TypeLCDAMOLEDOLEDLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM2 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables