ASUS ZenWatch 3 vs. Fitbit Charge 3 vs. Polar A370 vs. Garmin Vivosmart 4 vs. HTC re Grip

 
ZenWatch 3
Charge 3
A370
Vivosmart 4
re Grip
 ASUSZenWatch 3Remove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$229$150$179.95$130$199
Release20172018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours7 daysUp to 3 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution400 x 40066 x 18160 x 8048 x 128160 x 32
Size1.39 inches.721 inches1.18 inches0.74 inches1.8 inches
Touch
TypeAMOLEDOLEDTFT LCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NANA
Apps
Music

All Wearables