Polar M400 vs. TomTom Adventurer vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
M400
Adventurer
Vivosmart HR
Grayson
Grayson
Inspire 3
 PolarM400Remove Buy NowTomTomAdventurerRemove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$350$170$350$350$100
Release201420162015201820182022

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a5 days24 hours24 hours10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 68453 x 454453x45432x18
Sizen/an/a1.08 inches1.39 inches1.39 inches46 inches
Touch
Typen/an/an/aAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables