Asus VivoWatch vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar A370 vs. Garmin Vivosmart 4

 
VivoWatch
WSD-F20A
Flex
A370
Vivosmart 4
 AsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$160$399$100$179.95$130
Release20182018201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours to 10 days1 day5 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 128320 x 320NA160 x 8048 x 128
SizeNA1.32 inchesNA1.18 inches0.74 inches
TouchNA
TypeNALCDLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemKoodOSWear OSNA
Apps
Music

All Wearables