TomTom Spark vs. Withings Go vs. Fitbit Ionic vs. Polar Loop vs. Fitbit Sense 2

 
Spark
Go
Ionic
Loop
Sense 2
 TomTomSparkRemove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy NowPolarLoopRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$80$299$100$300
Release20152016201720132022

Activity & Fitness

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

Battery

Durationn/a8 months4+ days5 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a348x250NA336x336
Sizen/an/a1.42NA1.59 inches
Touchn/a
TypeLCDE-InkOLEDLEDAMOLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m2 ATM5 ATM

Notifications

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

Software

Operating Systemn/an/aFitbit OSNA
Appsn/a
Music

All Wearables