Fitbit Alta vs. Fitbit Ionic vs. Asus VivoWatch vs. Casio WSD-F20A vs. Fitbit Flex

 
Alta
Ionic
VivoWatch
WSD-F20A
Flex
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$299$160$399$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hours to 10 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250128 x 128320 x 320NA
Sizen/a1.42NA1.32 inchesNA
Touchn/aNA
TypeOLEDOLEDNALCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a50mIP675 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSKoodOSWear OSNA
Apps
Music

All Wearables