Casio WSD-F20A vs. Fitbit Charge vs. Fitbit Flex vs. Jawbone UP4 vs. Polar Loop

 
WSD-F20A
Charge
Flex
UP4
Loop
 CasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$399$130$100$200$100
Release20182014201320152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7-10 days5 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANANANA
Size1.32 inchesNANANANA
TouchNANANA
TypeLCDOLEDLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNA2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANANANA
Apps
MusicNA

All Wearables