Polar Loop 2 vs. ASUS ZenWatch 3 vs. Polar M430 vs. Fitbit Alta HR vs. Fitbit Charge

 
Loop 2
ZenWatch 3
M430
Alta HR
Charge
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowPolarM430Remove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$120$229$255$150$130
Release20152017201720172014

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours30 hours7 days7-10 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400128x128128 x 36NA
Sizen/a1.39 inches1.4 inch1.4 inchesNA
TouchNA
TypeLEDAMOLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NA
Apps
Music

All Wearables