Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Asus VivoWatch vs. Casio WSD-F20A

 
Alta
Flex 2
One
VivoWatch
WSD-F20A
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$130$100$100$160$399
Release20162016201220182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 days24 hours to 10 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a128 x 128320 x 320
Sizen/an/an/aNA1.32 inches
Touchn/an/a
TypeOLEDLEDOLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast ResistantIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aKoodOSWear OS
Apps
Music

All Wearables