Polar M400 vs. Fitbit Alta vs. Fitbit Ionic vs. LG Watch Urbane 2 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
Alta
Ionic
Watch Urbane 2
Grayson
Grayson
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitIonicRemove Buy NowLGWatch Urbane 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$130$299$300$350$350
Release201420162017201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days4+ daysNA24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250480 x 480453 x 454453x454
Sizen/an/a1.421.38 inches1.39 inches1.39 inches
Touchn/a
Typen/aOLEDOLEDP-OLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a50mNA1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables