Fitbit Flex 2 vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Fitbit Charge 3

 
Flex 2
Watch Series 2
G-Shock GBA800
WSD-F20A
Charge 3
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$269$120$399$150
Release20162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours2 years1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312320 x 32066 x 18
Sizen/a1.5 inches or 1.65 inches1.32 inches.721 inches
Touchn/a
TypeLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNA
Apps
Music

All Wearables