Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Polar Loop

 
Flex 2
Vivofit 3
WSD-F20A
Forerunner 235
Loop
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$100$399$299.99$100
Release20162016201820172013

Activity & Fitness

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

Battery

Duration5 days1 year1 day9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64320 x 320215 x 180NA
Sizen/a0.55 inches1.32 inches1.23 inchesNA
Touchn/a
TypeLEDn/aLCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables