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

 
WSD-F10
WSD-F20A
Access Sofie
Flex
Vivosmart 4
 CasioWSD-F10Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$399$395$100$130
Release20162018201720132018

Activity & Fitness

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

Battery

Durationn/a1 day1 day5 days7 days
Rechargeable

Compatibility

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

Connectivity

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

Display

Color
Resolutionn/a320 x 320390 x 390 1.19 inchesNA48 x 128
Sizen/a1.32 inchesNA0.74 inches
Touchn/aAMOLDEDNA
TypeLCDLCDLEDOLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OSAndroid Wear 2.0NA
Appsn/a
Musicn/a

All Wearables