Casio WSD-F10 vs. Polar M400 vs. Polar Loop 2 vs. Amazfit Bip vs. Fitbit Charge

 
WSD-F10
M400
Loop 2
Bip
Charge
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$500$200$120$99.99$130
Release20162014201520182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/an/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Durationn/a8 hours to 30 days8 days (without notifications)30 days7-10 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/an/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Color
Resolutionn/an/an/a176 x 176NA
Sizen/an/an/a1.28 inchesNA
Touchn/aNA
TypeLCDn/aLEDNAOLED

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM2 ATMIP681 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aNA
Appsn/a
Musicn/a

All Wearables