Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Charge vs. Apple Watch Ultra

 
Watch Series 2
ZenWatch 3
Ionic
Charge
Watch Ultra
 AppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitChargeRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$269$229$299$130$799
Release20162017201720142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours48 hours4+ days7-10 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312400 x 400348x250NA502x410 pixels
Size1.5 inches or 1.65 inches1.39 inches1.42NA1.92 inches
TouchNA
TypeAMOLEDAMOLEDOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid Wear 2Fitbit OSNAWatchOS 9
Apps
Music

All Wearables