Polar M400 vs. Withings Steel HR vs. Fitbit One vs. Fossil Q Reveler vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
Steel HR
One
Q Reveler
Grayson
Grayson
 PolarM400Remove Buy NowWithingsSteel HRRemove Buy NowFitbitOneRemove Buy NowFossilQ RevelerRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$180$100$125$350$350
Release201420162012201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days25 days10-14 days7 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/a453 x 454453x454
Sizen/an/an/an/a1.39 inches1.39 inches
Touchn/a
Typen/an/aOLEDn/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMSplast ResistantIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables