Fitbit Charge 2 vs. Misfit Flash Link vs. Polar Loop 2 vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Charge 2
Flash Link
Loop 2
WSD-F20A
Watch Series 4
 FitbitCharge 2Remove Buy NowMisfitFlash LinkRemove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$20$120$399$329
Release20162015201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months8 days (without notifications)1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 320384 x 480
Sizen/an/an/a1.32 inches1.78 inches
Touchn/an/a
TypeOLEDn/aLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM2 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatch OS 5
Apps
Music

All Wearables