Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Versa vs. Fitbit Alta HR vs. Fitbit Flex

 
Ionic
WSD-F20A
Versa
Alta HR
Flex
 FitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$299$399$199.99$150$100
Release20172018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day4 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320300 x300128 x 36NA
Size1.421.32 inches1.34 inches1.4 inchesNA
TouchNA
TypeOLEDLCDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSNA
Apps
Music

All Wearables