Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Garmin Vivofit 4 vs. Garmin Vivosport

 
Flex 2
WSD-F20A
Charge HR
Vivofit 4
Vivosport
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$100$399$150$79.95$199
Release20162018201520182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA88 x 8872 x 144
Sizen/a1.32 inchesNANANA
Touchn/aNA
TypeLEDLCDOLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables