Apps similar to PerformanceMonitor include Stats, which is free and open source. Other options are iStat Menus, Activity Monitor, eul and Stats Panel. You can choose from more than 10 System Information Utilities like PerformanceMonitor for Mac and iPhone.
Menu bar tool for macOS shows real-time CPU, GPU, memory, disk, network, battery status, sensor data, fan speed, Bluetooth device info, multi-time zone clocks, customizable widgets, and historical graphs while ensuring privacy.
Ukraine
Advanced Mac utility with menubar monitoring for CPU, GPU, memory, disks, network, and sensors, including fan control, S.M.A.R.T status, Bluetooth battery tracking, weather, notifications, and deep customization. Combines multiple stats in a single view while prioritizing privacy.
Australia
Provides real-time statistics for CPU, memory, disk, and network usage on macOS, allows users to view, organize, and terminate processes, analyze system resource consumption, view data in graphs and tables, check current transfers, and monitor system health.
United States
macOS menu bar utility written in SwiftUI that presents CPU, memory, disk, and network usage, plus Bluetooth battery levels, customizable Big Sur widgets, Dark Mode, and real-time sensor data. Open-source, lightweight, and compatible with Apple Silicon.
China
Lightweight macOS menu bar utility providing live CPU, memory, disk, network, battery, and thermal state monitoring, supporting Apple Silicon and Intel hardware, with customizable interface options, low resource usage, and strong privacy protections.
United Kingdom
Offers modular monitoring of CPU, Memory, Network, Disk, Battery, GPU, Bluetooth, Temperature, and Fans, each configurable and reorderable, with menu bar integration, notifications for low battery or storage, keyboard shortcuts, and color theme adaptation.
Native Apple Silicon monitoring for macOS with CPU, GPU, Neural Engine, memory, SMC sensors, processes, disks, SMART data and network views. It adds menu bar modules, floating panels, health alerts, disk treemaps, CSV exports and CPU, memory, disk and Metal benchmarks.
The Activity Monitor alternative for Mac: groups every process under its app, so you see 60 apps instead of 1,000 processes.
Pakistan
A tiny native macOS menu-bar line for CPU, GPU, RAM, network activity, and the apps behind meaningful spikes.
Australia
A Windows 11 Task Manager–style system monitor for macOS — processes, CPU/memory/GPU/disk/network, listening ports, startup items and services, with no password and no permission prompts.
