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

 
Charge 2
Watch Series 2
Watch
WSD-F20A
Charge HR
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$150$269$349$399$150
Release20162016201520182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours18 hours1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 320NA
Sizen/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.32 inchesNA
Touchn/aNA
TypeOLEDAMOLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIPX75 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatch OSWear OSNA
Apps
Music

All Wearables