Polar M400 vs. Fitbit Charge 2 vs. LG Watch Urbane 2 vs. Fitbit Alta HR

 
M400
Charge 2
Watch Urbane 2
Alta HR
 PolarM400Remove Buy NowFitbitCharge 2Remove Buy NowLGWatch Urbane 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$150$300$150
Release2014201620152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysNA7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480128 x 36
Sizen/an/a1.38 inches1.4 inches
Touchn/a
Typen/aOLEDP-OLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear
Apps
Music

All Wearables