Polar Loop 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus

 
Loop 2
ZenWatch 3
Charge
Vivofit 4
Vivosmart HR Plus
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$120$229$130$79.95$179
Release20152017201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)48 hours7-10 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA88 x 88160 x 68
Sizen/a1.39 inchesNANA0.5 inches x 0.8 inches
TouchNA
TypeLEDAMOLEDOLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NANA
Apps
Music

All Wearables