Polar M400 vs. Garmin Vivosmart HR vs. Fitbit Alta HR vs. Pebble Core vs. Garmin Vivosmart 4

 
M400
Vivosmart HR
Alta HR
Core
Vivosmart 4
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$170$150$99$130
Release20142015201720162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days7 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68128 x 36NA48 x 128
Sizen/a1.08 inches1.4 inchesNA0.74 inches
TouchNA
Typen/an/aOLEDNAOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables