Polar M400 vs. Casio WSD-F20A vs. LG Watch Urbane vs. Fitbit Flex vs. Fitbit Versa 2

 
M400
WSD-F20A
Watch Urbane
Flex
Versa 2
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowLGWatch UrbaneRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$200$399$245$100$199
Release20142018201520132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 dayNA5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/a320 x 320320 x 320NA300 x 300
Sizen/a1.32 inches1.3 inchesNA1.34 inches
TouchNA
Typen/aLCDP-OLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearNABuild-in
Apps
Music

All Wearables