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

 
ZenWatch 2
Watch Series 2
Ionic
WSD-F20A
Watch Ultra
 ASUSZenWatch 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$269$299$399$799
Release20162016201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a18 hours4+ days1 day36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320340 x 272 or 390 x 312348x250320 x 320502x410 pixels
Size1.63 inches or 1.45 inch1.5 inches or 1.65 inches1.421.32 inches1.92 inches
Touch
TypeAMOLEDAMOLEDOLEDLCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675ATM50m5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWatch OSFitbit OSWear OSWatchOS 9
Apps
Music

All Wearables