Fitbit Flex 2 vs. Fitbit One vs. Asus VivoWatch vs. Casio WSD-F20A vs. Garmin Vivosmart 4

 
Flex 2
One
VivoWatch
WSD-F20A
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$160$399$130
Release20162012201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days24 hours to 10 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 128320 x 32048 x 128
Sizen/an/aNA1.32 inches0.74 inches
Touchn/a
TypeLEDOLEDNALCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aKoodOSWear OS
Apps
Music

All Wearables