Polar M400 vs. Polar Loop 2 vs. Jaybird Reign vs. Pebble Core vs. Polar Loop

 
M400
Loop 2
Reign
Core
Loop
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowJaybirdReignRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$120$150$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)5 daysNA5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNANANA
Sizen/an/aNANANA
TouchNANA
Typen/aLEDLEDNALED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMNANA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables