Casio WSD-F20A vs. Fitbit Charge HR vs. Jawbone UP24 vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR

 
WSD-F20A
Charge HR
UP24
Watch Series 4
Access Sofie HR
 CasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowJawboneUP24Remove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$399$150$130$329$395
Release20182015201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days14 daysNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA384 x 480390 x 390
Size1.32 inchesNANA1.78 inches1.19 inches
TouchNANA
TypeLCDOLEDNAMicroLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMSplash ResistantNot Yet0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANAWatch OS 5Wear OS
Apps
Music

All Wearables