Polar M400 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Mobvoi TicWatch S vs. Michael Kors Grayson

 
M400
Ionic
Grayson
Moto 360 (1st Gen)
TicWatch S
Grayson
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMobvoiTicWatch SRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$299$350$150$199$350
Release201420172018201420172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days24 hours1 day1.5-2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454320 x 260400 x 400453x454
Sizen/a1.421.39 inches1.56 inches1.4 inches1.39 inches
Touch
Typen/aOLEDAMOLEDLCDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m1 ATMIP67IP671 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables