Fitbit Ionic vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivofit 4

 
Ionic
G-Shock GBA800
WSD-F20A
Flex
Vivofit 4
 FitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$299$120$399$100$79.95
Release20172018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 years1 day5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320NA88 x 88
Size1.421.32 inchesNANA
TouchNA
TypeOLEDLCDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m20 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSNA
Apps
Music

All Wearables