Polar M400 vs. LG Watch Style vs. Amazfit Cor vs. Fitbit Charge HR vs. Fitbit Inspire HR

 
M400
Watch Style
Cor
Charge HR
Inspire HR
 PolarM400Remove Buy NowLGWatch StyleRemove Buy NowAmazfitCorRemove Buy NowFitbitCharge HRRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$249$79.99$150$99
Release20142017201820152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 36080 x 160NA139 x 60
Sizen/a1.2 inches1.23 inchesNA1.4 inches
TouchNA
Typen/aP-OLEDIPS LCDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAFitbit OS
Apps
Music

All Wearables