Casio WSD-F10 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
WSD-F10
Flex 2
WSD-F20A
Access Sofie HR
Vivosmart 4
 CasioWSD-F10Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$100$399$395$130
Release20162016201820192018

Activity & Fitness

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

Battery

Durationn/a5 days1 day2 days7 days
Rechargeable

Compatibility

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

Connectivity

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

Display

Colorn/a
Resolutionn/an/a320 x 320390 x 39048 x 128
Sizen/an/a1.32 inches1.19 inches0.74 inches
Touchn/an/a
TypeLCDLEDLCDOMOLEDOLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM0.3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWear OSWear OS
Appsn/a
Musicn/a

All Wearables