Polar M400 vs. Garmin Vivosmart HR vs. Garmin Vivosmart HR Plus vs. Apple Series 6 vs. Fitbit Inspire 3

 
M400
Vivosmart HR
Vivosmart HR Plus
Series 6
Inspire 3
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleSeries 6Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$170$179$399$100
Release20142015201720202022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 daysNot yet10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68160 x 68384 x 48032x18
Sizen/a1.08 inches0.5 inches x 0.8 inches40mm46 inches
Touch
Typen/an/aLCDMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables