TomTom Spark vs. Withings Go vs. Fitbit Ionic vs. Asus ZenWatch vs. Polar Loop

 
Spark
Go
Ionic
ZenWatch
Loop
 TomTomSparkRemove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$80$299$150$100
Release20152016201720142013

Activity & Fitness

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

Battery

Durationn/a8 months4+ daysNA5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a348x250320 x 320NA
Sizen/an/a1.421.63 inchesNA
Touchn/a
TypeLCDE-InkOLEDAMOLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50mIP552 ATM

Notifications

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

Software

Operating Systemn/an/aFitbit OSAndroid WearNA
Appsn/a
Music

All Wearables