Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Fitbit Flex vs. Fitbit Sense 2

 
Ionic
WSD-F20A
Charge HR
Flex
Sense 2
 FitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$299$399$150$100$300
Release20172018201520132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day5 days5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320NANA336x336
Size1.421.32 inchesNANA1.59 inches
TouchNANA
TypeOLEDLCDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSNANA
Apps
Music

All Wearables