ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Polar A370 vs. Garmin VivoActive 4

 
ZenWatch 3
Ionic
Charge HR
A370
VivoActive 4
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$229$299$150$179.95$349
Release20172017201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days5 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250NA160 x 80260 x 260
Size1.39 inches1.42NA1.18 inches1.3ionches
TouchNA
TypeAMOLEDOLEDOLEDTFT LCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSNAWear OS
Apps
Music

All Wearables