Fitbit Zip vs. Amazfit Cor vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Apple Series 6

 
Zip
Cor
WSD-F20A
Watch Series 4
Series 6
 FitbitZipRemove Buy NowAmazfitCorRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$79.99$399$329$399
Release20122018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months12 days1 dayNot YetNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160320 x 320384 x 480384 x 480
Sizen/a1.23 inches1.32 inches1.78 inches40mm
Touch
Typen/aIPS LCDLCDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash Resistant5 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5WatchOS 5
Apps
Music

All Wearables