Polar M400 vs. TomTom Spark vs. Polar Loop 2 vs. Fitbit Ionic vs. Pebble Core

 
M400
Spark
Loop 2
Ionic
Core
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$150$120$299$99
Release20142015201520172016

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a8 days (without notifications)4+ daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a348x250NA
Sizen/an/an/a1.42NA
TouchNA
Typen/aLCDLEDOLEDNA

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM2 ATM50mNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/an/aFitbit OSNA
Apps
Music

All Wearables