Polar M400 vs. TomTom Adventurer vs. Mobvoi TicWatch 2 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
M400
Adventurer
TicWatch 2
Grayson
Charge 3
Grayson
 PolarM400Remove Buy NowTomTomAdventurerRemove Buy NowMobvoiTicWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$350$199$350$150$350
Release201420162017201820182018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a1.5-2 Days24 hours7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400453 x 45466 x 18453x454
Sizen/an/a1.4 inches1.39 inches.721 inches1.39 inches
Touch
Typen/an/aOLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP651 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTicwear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables