ASUS ZenWatch 2 vs. TomTom Spark vs. Polar Loop 2 vs. Michael Kors Grayson vs. Jawbone UP4 vs. Michael Kors Grayson

 
ZenWatch 2
Spark
Loop 2
Grayson
UP4
Grayson
 ASUSZenWatch 2Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$150$120$350$200$350
Release201620152015201820152018

Activity & Fitness

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

Battery

Durationn/an/a8 days (without notifications)24 hoursNA24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/an/a453 x 454NA453x454
Size1.63 inches or 1.45 inchn/an/a1.39 inchesNA1.39 inches
TouchNA
TypeAMOLEDLCDLEDAMOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM2 ATM1 ATMNA1 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/an/aAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables