Polar Loop 2 vs. Pebble Core vs. Fitbit Inspire HR vs. Amazfit GTR

 
Loop 2
Core
Inspire HR
GTR
 PolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$99$99$199
Release2015201620192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA139 x 60454 x 454
Sizen/aNA1.4 inches1.39 inches
TouchNA
TypeLEDNAOLEDAMOLED

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 OSBuild-in
Apps
Music

All Wearables