Fitbit One vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Apple Watch Series 5 vs. Apple Watch Ultra

 
One
Watch Series 2
WSD-F20A
Watch Series 5
Watch Ultra
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$269$399$329$799
Release20122016201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours1 dayNot Yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320384 x 480502x410 pixels
Sizen/a1.5 inches or 1.65 inches1.32 inches1.78 Inches1.92 inches
Touch
TypeOLEDAMOLEDLCDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATM5 ATMNot Yet10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSWatchOS 5WatchOS 9
Apps
Music

All Wearables