Fossil Q Founder vs. Polar M400 vs. Casio WSD-F20A vs. Fitbit Charge vs. Polar Loop

 
Q Founder
M400
WSD-F20A
Charge
Loop
 FossilQ FounderRemove Buy NowPolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$275$200$399$130$100
Release20152014201820142013

Activity & Fitness

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

Battery

Duration1 day8 hours to 30 days1 day7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 326n/a320 x 320NANA
Size1.5 inchesn/a1.32 inchesNANA
TouchNA
TypeLCDn/aLCDOLEDLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSNANA
Appsn/a
Music

All Wearables