TomTom Spark vs. Fitbit One vs. Michael Kors Grayson vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Spark
One
Grayson
On Full Guard 2.5
Grayson
Vivosmart 4
 TomTomSparkRemove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$100$350$325$350$130
Release201520122018201820182018

Activity & Fitness

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

Battery

Durationn/a10-14 days24 hours4 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454454x454453x45448 x 128
Sizen/an/a1.39 inches1.39 inches1.39 inches0.74 inches
Touch
TypeLCDOLEDAMOLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant1 ATM3 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables