Polar M400 vs. Polar Loop 2 vs. Apple Watch vs. Pebble Core vs. Polar Loop

 
M400
Loop 2
Watch
Core
Loop
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowAppleWatchRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$120$349$99$100
Release20142015201520162013

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)18 hoursNA5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312NANA
Sizen/an/a1.5 inches or 1.65 inchesNANA
TouchNA
Typen/aLEDAMOLEDNALED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMIPX7NA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSNANA
Apps
Music

All Wearables