Apple Watch Series 3 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra

 
Watch Series 3
ZenWatch 3
Ionic
On Full Guard 2.5
Watch Ultra
 AppleWatch Series 3Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$229$299$325$799
Release20172017201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours48 hours4+ days4 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312400 x 400348x250454x454502x410 pixels
Size1.5 inches or 1.65 inches1.39 inches1.421.39 inches1.92 inches
Touch
TypeAMOLEDAMOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android Wear 2Fitbit OSWear OSWatchOS 9
Apps
Music

All Wearables