Polar M400 vs. Moov Now vs. LG Watch Sport vs. Polar M430 vs. Amazfit T-Rex

 
M400
Now
Watch Sport
M430
T-Rex
 PolarM400Remove Buy NowMoovNowRemove Buy NowLGWatch SportRemove Buy NowPolarM430Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$79$349$255$140
Release20142015201620172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1.45 days30 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480128x128360 x 360
Sizen/an/a1.38 inches1.4 inch1.3 inches
Touchn/a
Typen/an/aP-OLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIP68WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Build-in
Apps
Music

All Wearables