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

 
Charge 2
One
Watch Series 2
Watch
WSD-F20A
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$150$100$269$349$399
Release20162012201620152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days18 hours18 hours1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 320
Sizen/an/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.32 inches
Touchn/a
TypeOLEDOLEDAMOLEDAMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant5ATMIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatch OSWear OS
Apps
Music

All Wearables