Apple Watch Series 3 vs. Casio WSD-F10 vs. Fitbit Flex 2 vs. Fitbit Charge 3 vs. Fitbit Flex

 
Watch Series 3
WSD-F10
Flex 2
Charge 3
Flex
 AppleWatch Series 3Remove Buy NowCasioWSD-F10Remove Buy NowFitbitFlex 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$500$100$150$100
Release20172016201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Duration18 hoursn/a5 days7 days5 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/aNA
Wi-Fin/a

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a66 x 18NA
Size1.5 inches or 1.65 inchesn/an/a.721 inchesNA
Touchn/an/aNA
TypeAMOLEDLCDLEDOLEDLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android Wearn/aNANA
Appsn/a
Musicn/a

All Wearables