Casio WSD-F10 vs. Polar M400 vs. Fitbit Alta vs. Samsung Gear 2 vs. Michael Kors Access Sofie HR

 
WSD-F10
M400
Alta
Gear 2
Access Sofie HR
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$500$200$130$300$395
Release20162014201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygenn/a
Sleepn/a
StepsNA
Swimn/a

Battery

Durationn/a8 hours to 30 days5 days2-3 days2 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Color
Resolutionn/an/an/a320 x 320390 x 390
Sizen/an/an/a1.63 inches1.19 inches
Touchn/an/a
TypeLCDn/aOLEDSuper AMOLEDOMOLED

Functions

Audio Speakern/aAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/aIP670.3 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aTizen OSWear OS
Appsn/a
Musicn/a

All Wearables