Fitbit One vs. Fitbit Ionic vs. Casio WSD-F20A vs. Apple SE

 
One
Ionic
WSD-F20A
SE
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$299$399$279
Release2012201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days1 day18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250320 x 320384 x 480
Sizen/a1.421.32 inches40mm
Touch
TypeOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceSplast Resistant50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 5
Apps
Music

All Wearables