Fitbit Flex 2 vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Fitbit Versa 2

 
Flex 2
WSD-F20A
Watch Series 4
Versa 2
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$100$399$329$199
Release2016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 dayNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320384 x 480300 x 300
Sizen/a1.32 inches1.78 inches1.34 inches
Touchn/a
TypeLEDLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5Build-in
Apps
Music

All Wearables