Polar M400 vs. TomTom Spark vs. Withings Go vs. Pebble Core vs. Polar Loop

 
M400
Spark
Go
Core
Loop
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowWithingsGoRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$150$80$99$100
Release20142015201620162013

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a8 monthsNA5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/aNANA
Sizen/an/an/aNANA
Touchn/aNA
Typen/aLCDE-InkNALED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/an/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMNA2 ATM

Notifications

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

Software

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

All Wearables