Polar M400 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Pebble Core vs. Garmin Instinct

 
M400
Flex 2
Vivosmart HR
Core
Instinct
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowPebbleCoreRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$100$170$99$300
Release20142016201520162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 daysNA14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 68NA128 x 128
Sizen/an/a1.08 inchesNA0.9 inches
Touchn/aNA
Typen/aLEDn/aNAOMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMNA10 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables