Polar M400 vs. Moov Now vs. LG G Watch vs. Fitbit Charge HR vs. Apple Watch Series 4

 
M400
Now
G Watch
Charge HR
Watch Series 4
 PolarM400Remove Buy NowMoovNowRemove Buy NowLGG WatchRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$79$230$150$329
Release20142015201420152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1.5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a280 x 280NA384 x 480
Sizen/an/a1.65 inchesNA1.78 inches
Touchn/aNA
Typen/an/aIPS LCDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIP671 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAWatch OS 5
Apps
Music

All Wearables