Apple Watch Series 3 vs. Fitbit One vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Charge 3

 
Watch Series 3
One
WSD-F20A
Alta HR
Charge 3
 AppleWatch Series 3Remove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$329$100$399$150$150
Release20172012201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10-14 days1 day7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320128 x 3666 x 18
Size1.5 inches or 1.65 inchesn/a1.32 inches1.4 inches.721 inches
Touch
TypeAMOLEDOLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSNA
Apps
Music

All Wearables