Fitbit Flex 2 vs. Acer Liquid Leap vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Flex 2
Liquid Leap
G-Shock GBA800
WSD-F20A
Watch Series 4
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$90$120$399$329
Release20162015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days2 years1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32320 x 320384 x 480
Sizen/a1 inch1.32 inches1.78 inches
Touchn/a
TypeLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX420 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5
Apps
Music

All Wearables