Polar M400 vs. Moov Now vs. ASUS ZenWatch 3 vs. Polar A370 vs. Polar Loop

 
M400
Now
ZenWatch 3
A370
Loop
 PolarM400Remove Buy NowMoovNowRemove Buy NowASUSZenWatch 3Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$79$229$179.95$100
Release20142015201720172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months48 hoursUp to 3 days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400160 x 80NA
Sizen/an/a1.39 inches1.18 inchesNA
Touchn/a
Typen/an/aAMOLEDTFT LCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NA
Apps
Music

All Wearables