Fitbit Flex 2 vs. Misfit Speedo Shine 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Polar Loop

 
Flex 2
Speedo Shine 2
WSD-F20A
Charge
Loop
 FitbitFlex 2Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$80$399$130$100
Release20162016201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 day7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a320 x 320NANA
Sizen/an/a1.32 inchesNANA
Touchn/an/aNA
TypeLEDn/aLCDOLEDLED

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