Polar M400 vs. Moov Now vs. Asus ZenWatch vs. Pebble Core vs. Amazfit T-Rex

 
M400
Now
ZenWatch
Core
T-Rex
 PolarM400Remove Buy NowMoovNowRemove Buy NowAsusZenWatchRemove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$79$150$99$140
Release20142015201420162019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 monthsNANA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA360 x 360
Sizen/an/a1.63 inchesNA1.3 inches
Touchn/aNA
Typen/an/aAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIP55NA5 ATM

Notifications

PhoneNA
EmailsNANA
TextsNANA

Software

Operating Systemn/an/aAndroid WearNABuild-in
Apps
Music

All Wearables