TomTom Spark vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Skagen Falster 2 vs. Amazfit T-Rex

 
Spark
Grayson
Charge 3
Grayson
Falster 2
T-Rex
 TomTomSparkRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowSkagenFalster 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$350$150$350$199$140
Release201520182018201820192019

Activity & Fitness

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

Battery

Durationn/a24 hours7 days24 hours1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 45466 x 18453x454320 x 320360 x 360
Sizen/a1.39 inches.721 inches1.39 inches1.19 inches1.3 inches
Touch
TypeLCDAMOLEDOLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearNAAndroid WearWear OSBuild-in
Apps
Music

All Wearables