Garmin Vivofit 3 vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Polar Loop

 
Vivofit 3
WSD-F20A
Flex
Vivofit 4
Loop
 GarminVivofit 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$399$100$79.95$100
Release20162018201320182013

Activity & Fitness

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

Battery

Duration1 year1 day5 days1 year5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64320 x 320NA88 x 88NA
Size0.55 inches1.32 inchesNANANA
TouchNA
Typen/aLCDLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables