Fitbit Alta vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Fitbit Charge HR

 
Alta
Watch Series 2
WSD-F20A
Charge 3
Charge HR
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$130$269$399$150$150
Release20162016201820182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours1 day7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 32066 x 18NA
Sizen/a1.5 inches or 1.65 inches1.32 inches.721 inchesNA
Touchn/aNA
TypeOLEDAMOLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWear OSNANA
Apps
Music

All Wearables