TomTom Spark vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Garmin Vivofit 4 vs. Garmin Vivosmart 3

 
Spark
Loop 2
ZenWatch 3
Vivofit 4
Vivosmart 3
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$150$120$229$79.95$139.99
Release20152015201720182017

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)48 hours1 year5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 40088 x 8864 x 128
Sizen/an/a1.39 inchesNANA
Touch
TypeLCDLEDAMOLEDNAOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables