The official for Mac is a premium system monitoring utility developed by The Iconfactory . While some third-party sites may list it as a "free download," it is officially a paid application typically priced around $9.99 on the Mac App Store and MacUpdate . Product Overview

iPulse monitors a wide range of macOS statistics, presenting them both graphically and as text: iPulse - App Store

iPulse 3 is designed to provide real-time insights into your Mac’s internal performance through a highly customizable, compact interface. It allows users to track what is happening "under the hood" without taking up significant screen real estate.