TomTom Spark vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Polar Loop

 
Spark
Loop 2
ZenWatch 3
Ionic
Loop
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$120$229$299$100
Release20152015201720172013

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)48 hours4+ days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400348x250NA
Sizen/an/a1.39 inches1.42NA
Touch
TypeLCDLEDAMOLEDOLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50m2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OSNA
Apps
Music

All Wearables