Polar M400 vs. LG Watch Urbane vs. Fitbit Charge HR vs. Fitbit Flex vs. Apple Watch Ultra

 
M400
Watch Urbane
Charge HR
Flex
Watch Ultra
 PolarM400Remove Buy NowLGWatch UrbaneRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$245$150$100$799
Release20142015201520132022

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA5 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/a320 x 320NANA502x410 pixels
Sizen/a1.3 inchesNANA1.92 inches
TouchNANA
Typen/aP-OLEDOLEDLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAWatchOS 9
Apps
Music

All Wearables