Polar M400 vs. Fitbit Alta vs. LG Watch Urbane vs. Fitbit Flex

 
M400
Alta
Watch Urbane
Flex
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowLGWatch UrbaneRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$130$245$100
Release2014201620152013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/an/a320 x 320NA
Sizen/an/a1.3 inchesNA
Touchn/aNA
Typen/aOLEDP-OLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIP671 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearNA
Apps
Music

All Wearables