Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Versa vs. Garmin Vivofit 4 vs. Polar Loop

 
Flex 2
WSD-F20A
Versa
Vivofit 4
Loop
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$399$199.99$79.95$100
Release20162018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day4 days1 year5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320300 x30088 x 88NA
Sizen/a1.32 inches1.34 inchesNANA
Touchn/a
TypeLEDLCDOLEDNALED

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/aWear OSNA
Apps
Music

All Wearables