Polar M400 vs. LG Watch Urbane vs. LG Watch Urbane 2 vs. Fitbit Flex vs. Amazfit GTR

 
M400
Watch Urbane
Watch Urbane 2
Flex
GTR
 PolarM400Remove Buy NowLGWatch UrbaneRemove Buy NowLGWatch Urbane 2Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$245$300$100$199
Release20142015201520132019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNANA5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/a320 x 320480 x 480NA454 x 454
Sizen/a1.3 inches1.38 inchesNA1.39 inches
TouchNA
Typen/aP-OLEDP-OLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67NA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearNABuild-in
Apps
Music

All Wearables