Polar M600 vs. Fitbit One vs. Polar M430 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
M600
One
M430
Grayson
A370
Grayson
 PolarM600Remove Buy NowFitbitOneRemove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$100$255$350$179.95$350
Release201620122017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days10-14 days30 hours24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128x128453 x 454160 x 80453x454
Size1.3 inchesn/a1.4 inch1.39 inches1.18 inches1.39 inches
Touchn/a
TypeTFTOLEDLCDAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast ResistantWR301 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid Wear
Apps
Music

All Wearables