Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Access Sofie vs. Fitbit Charge HR vs. Pebble Core

 
M400
Vivosmart HR
Access Sofie
Charge HR
Core
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge HRRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$170$395$150$99
Release20142015201720152016

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 day5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68390 x 390 1.19 inchesNANA
Sizen/a1.08 inchesNANA
TouchAMOLDEDNANA
Typen/an/aOLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2.0NANA
Apps
Music

All Wearables