Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Fitbit Ionic vs. Asus ZenWatch vs. Casio WSD-F20A

 
Watch Series 3
ZenWatch 2
Ionic
ZenWatch
WSD-F20A
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$329$150$299$150$399
Release20172016201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a4+ daysNA1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320348x250320 x 320320 x 320
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inch1.421.63 inches1.32 inches
Touch
TypeAMOLEDAMOLEDOLEDAMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6750mIP555 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemWatchOS 4Android WearFitbit OSAndroid WearWear OS
Apps
Music

All Wearables