Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar Loop

 
ZenWatch
WSD-F20A
Flex
Loop
 AsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$399$100$100
Release2014201820132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NANA
Size1.63 inches1.32 inchesNANA
TouchNA
TypeAMOLEDLCDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP555 ATM1 ATM2 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearWear OSNANA
Apps
Music

All Wearables