Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar Loop

 
Flex 2
Vivofit 3
WSD-F20A
Flex
Loop
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$100$399$100$100
Release20162016201820132013

Activity & Fitness

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

Battery

Duration5 days1 year1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64320 x 320NANA
Sizen/a0.55 inches1.32 inchesNANA
Touchn/aNA
TypeLEDn/aLCDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables