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

 
Watch Series 3
ZenWatch 2
Ionic
Charge 3
Charge HR
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$329$150$299$150$150
Release20172016201720182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a4+ days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320348x25066 x 18NA
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inch1.42.721 inchesNA
TouchNA
TypeAMOLEDAMOLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6750m5 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android WearFitbit OSNANA
Apps
Music

All Wearables