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

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

Basic Info

Suggested Price$200$79$99$140
Release2014201520162019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 monthsNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA360 x 360
Sizen/an/aNA1.3 inches
Touchn/aNA
Typen/an/aNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables