Fitbit Zip vs. Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch Series 4

 
Zip
Arc
WSD-F20A
Flex
Watch Series 4
 FitbitZipRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$60$69.99$399$100$329
Release20122016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months20 days1 day5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 320NA384 x 480
Sizen/a0.42 inches1.32 inchesNA1.78 inches
TouchNA
Typen/aOLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash ResistantIP675 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatch OS 5
Apps
Music

All Wearables