Polar M400 vs. Moov Now vs. Apple Watch vs. Garmin Vivofit 4 vs. Pebble Core

 
M400
Now
Watch
Vivofit 4
Core
 PolarM400Remove Buy NowMoovNowRemove Buy NowAppleWatchRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$79$349$79.95$99
Release20142015201520182016

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months18 hours1 yearNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 31288 x 88NA
Sizen/an/a1.5 inches or 1.65 inchesNANA
Touchn/aNA
Typen/an/aAMOLEDNANA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIPX75 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSNA
Apps
Music

All Wearables