Polar M400 vs. Polar M600 vs. Samsung Galaxy Watch vs. Fitbit Flex vs. Fitbit Inspire HR

 
M400
M600
Galaxy Watch
Flex
Inspire HR
 PolarM400Remove Buy NowPolarM600Remove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$330$330$100$99
Release20142016201820132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240360 x 360NA139 x 60
Sizen/a1.3 inches1.2 inches or 1.3 inchesNA1.4 inches
Touchn/aNA
Typen/aTFTAMOLEDLEDOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSNAFitbit OS
Apps
MusicSpotify

All Wearables