Withings Go vs. Fitbit Ionic vs. Polar M430 vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Go
Ionic
M430
Grayson
Access Sofie HR
Grayson
 WithingsGoRemove Buy NowFitbitIonicRemove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$80$299$255$350$395$350
Release201620172017201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months4+ days30 hours24 hours2 days24 hours
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250128x128453 x 454390 x 390453x454
Sizen/a1.421.4 inch1.39 inches1.19 inches1.39 inches
Touchn/a
TypeE-InkOLEDLCDAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mWR301 ATM0.3 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSAndroid WearWear OSAndroid Wear
Appsn/a
Music

All Wearables