Asus VivoWatch vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Flex vs. Apple Watch Series 4

 
VivoWatch
WSD-F20A
Alta HR
Flex
Watch Series 4
 AsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$160$399$150$100$329
Release20182018201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours to 10 days1 day7 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 128320 x 320128 x 36NA384 x 480
SizeNA1.32 inches1.4 inchesNA1.78 inches
TouchNA
TypeNALCDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemKoodOSWear OSNAWatch OS 5
Apps
Music

All Wearables