TomTom Spark vs. Fitbit Alta vs. Polar Loop 2 vs. TomTom Touch vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Spark
Alta
Loop 2
Touch
Grayson
Grayson
 TomTomSparkRemove Buy NowFitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowTomTomTouchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$130$120$130$350$350
Release201520162015201620182018

Activity & Fitness

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

Battery

Durationn/a5 days8 days (without notifications)5 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/a453 x 454453x454
Sizen/an/an/a0.91 inches1.39 inches1.39 inches
Touchn/a
TypeLCDOLEDLEDn/aAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clockn/a
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a2 ATMIPX71 ATM1 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables