Fitbit Charge 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Fitbit Flex

 
Charge 2
ZenWatch
WSD-F20A
Charge HR
Flex
 FitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$150$399$150$100
Release20162014201820152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320NANA
Sizen/a1.63 inches1.32 inchesNANA
Touchn/aNANA
TypeOLEDAMOLEDLCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM1 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSNANA
Apps
Music

All Wearables