Polar M600 vs. Fitbit One vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Sony SmartBand vs. Michael Kors Grayson

 
M600
One
Grayson
Alta HR
SmartBand
Grayson
 PolarM600Remove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$100$350$150$100$350
Release201620122018201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days10-14 days24 hours7 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240n/a453 x 454128 x 36NA453x454
Size1.3 inchesn/a1.39 inches1.4 inchesNA1.39 inches
Touchn/aNA
TypeTFTOLEDAMOLEDOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast Resistant1 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables