Sony SmartBand 2 vs. Fitbit Ionic vs. Polar M430 vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
SmartBand 2
Ionic
M430
Grayson
Access Sofie HR
Grayson
 SonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$299$255$350$395$350
Release201520172017201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days4+ days30 hours24 hours2 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
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
Typen/aOLEDLCDAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5850mWR301 ATM0.3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables