TomTom Spark vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Michael Kors Grayson vs. Jaybird Reign vs. Michael Kors Grayson

 
Spark
Vivosmart HR
Loop 2
Grayson
Reign
Grayson
 TomTomSparkRemove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$170$120$350$150$350
Release201520152015201820152018

Activity & Fitness

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

Battery

Durationn/a5 days8 days (without notifications)24 hours5 days24 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
Resolutionn/a160 x 68n/a453 x 454NA453x454
Sizen/a1.08 inchesn/a1.39 inchesNA1.39 inches
TouchNA
TypeLCDn/aLEDAMOLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM1 ATMNA1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables