Polar Loop 2 vs. Pebble Core vs. Garmin Vivosmart 4 vs. Fitbit Inspire HR

 
Loop 2
Core
Vivosmart 4
Inspire HR
 PolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$120$99$130$99
Release2015201620182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA48 x 128139 x 60
Sizen/aNA0.74 inches1.4 inches
TouchNA
TypeLEDNAOLEDOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAFitbit OS
Apps
Music

All Wearables