Fitbit One vs. Fitbit Ionic vs. Casio WSD-F20A vs. Apple Watch 7

 
One
Ionic
WSD-F20A
Watch 7
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$299$399$429
Release2012201720182021

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 320396 x 484
Sizen/a1.421.32 inches1.9 inches
Touch
TypeOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 8
Apps
Music

All Wearables