TomTom Spark vs. Polar A360 vs. Withings Go vs. Fitbit Charge 3 vs. Polar Loop

 
Spark
A360
Go
Charge 3
Loop
 TomTomSparkRemove Buy NowPolarA360Remove Buy NowWithingsGoRemove Buy NowFitbitCharge 3Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$200$80$150$100
Release20152015201620182013

Activity & Fitness

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

Battery

Durationn/a12 days8 months7 days5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/an/a
Resolutionn/a160 x 80n/a66 x 18NA
Sizen/a1.18 inchesn/a.721 inchesNA
Touchn/a
TypeLCDn/aE-InkOLEDLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM2 ATM

Notifications

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

Software

Operating Systemn/an/an/aNANA
Appsn/a
Music

All Wearables