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

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

Basic Info

Suggested Price$150$299$399$799$300
Release20162017201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days1 day36 hrs6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250320 x 320502x410 pixels336x336
Size1.63 inches or 1.45 inch1.421.32 inches1.92 inches1.59 inches
Touch
TypeAMOLEDOLEDLCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSWear OSWatchOS 9
Apps
Music

All Wearables