Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop

 
Flex 2
WSD-F20A
Loop
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$399$100
Release201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA
Sizen/a1.32 inchesNA
Touchn/a
TypeLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables