Polar M400 vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Pebble Core vs. Fitbit Inspire HR

 
M400
Loop 2
Forerunner 935
Core
Inspire HR
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowPebbleCoreRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$120$500$99$99
Release20142015201720162019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)Up to 2 weeksNA5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NA139 x 60
Sizen/an/a1.2 inchesNA1.4 inches
TouchNA
Typen/aLEDLCDNAOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNAFitbit OS
Apps
Music

All Wearables