Polar M400 vs. Polar Loop 2 vs. Apple Watch vs. LG G Watch R

 
M400
Loop 2
Watch
G Watch R
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowAppleWatchRemove Buy NowLGG Watch RRemove Buy Now

Basic Info

Suggested Price$200$120$349$300
Release2014201520152014

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)18 hours2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNAn/a
Macn/aNAn/a
Windowsn/aNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312320 x 320
Sizen/an/a1.5 inches or 1.65 inches1.3 inches
Touch
Typen/aLEDAMOLEDP-OLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMIPX7IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid Wear
Apps
Music

All Wearables