Fitbit One vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Flex

 
One
ZenWatch 3
ZenWatch
WSD-F20A
Flex
 FitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$229$150$399$100
Release20122017201420182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hoursNA1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320320 x 320NA
Sizen/a1.39 inches1.63 inches1.32 inchesNA
TouchNA
TypeOLEDAMOLEDAMOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP555 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearWear OSNA
Apps
Music

All Wearables