Polar M400 vs. Fitbit Ionic vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Michael Kors Grayson

 
M400
Ionic
Forerunner 235
Grayson
TicWatch S
Grayson
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$299$299.99$350$199$350
Release201420172017201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days9 days24 hours1.5-2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250215 x 180453 x 454400 x 400453x454
Sizen/a1.421.23 inches1.39 inches1.4 inches1.39 inches
Touch
Typen/aOLEDMIPAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m5 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid Wear 2.0Android Wear
Apps
Music

All Wearables