Stats is a free and open-source system monitoring utility for macOS that places detailed performance metrics directly in your menu bar. Designed for both Apple Silicon and Intel Macs, it provides real-time insights into CPU activity, GPU utilization, memory pressure, disk usage, network throughput, battery health, temperatures, fan speeds, and more.
Key Features
Comprehensive System Monitoring – Track CPU, GPU, RAM, disk activity, network usage, battery statistics, Bluetooth devices, and hardware sensors in real time.
Native Menu Bar Widgets – Display customizable graphs, percentages, text labels, and mini charts directly in the macOS menu bar.
Hardware Sensor Access – View temperatures, voltages, power consumption, and fan speeds across supported Mac hardware.
Battery Health Insights – Monitor charge cycles, battery condition, estimated remaining time, and power usage.
Highly Customizable – Configure update intervals, widget styles, notification thresholds, keyboard shortcuts, and enabled modules.
Apple Silicon Optimized – Fully supports modern M-series Macs while maintaining compatibility with Intel-based systems.
Free and Open Source – No subscriptions, advertisements, telemetry, or locked features. The entire codebase is publicly available on GitHub.
Who Is It For?
Stats is ideal for developers, power users, IT professionals, creators, gamers, and anyone who wants deeper visibility into their Mac's performance without opening Activity Monitor.
Why Use Stats?
Many Mac users rely on paid utilities to monitor system performance, but Stats delivers a comparable experience at no cost. Its lightweight design, extensive customization options, active development, and transparent open-source model have made it one of the most recommended menu bar utilities in the Mac community.
Whether you're diagnosing resource-intensive applications, monitoring temperatures during demanding workloads, tracking battery health, or simply keeping an eye on your system throughout the day, Stats provides a powerful monitoring experience that feels right at home on macOS.
Platform & Compatibility
Architecture
Minimum macOS
macOS Big Sur 11Public Opinion
Curated highlights from Reddit and other communities, not user-submitted reviews.
“Many users consider Stats a reliable long-term replacement for iStat Menus, indicating strong feature completeness and sustained trust despite being free and open-source.”
Reddit: Stats Is a Free Alternative to iStat Menus
“Stats is often described as an essential first-install utility on new Macs, highlighting its importance for real-time system monitoring and everyday usability.”
Reddit: Discussion: I'm tired of every utility app being a subscription
“Frequent feature requests from experienced users reflect deep reliance on the app and confidence in its long-term development and improvement.”
GitHub Issue #2287
“Many users highlight the clean native design, high customizability of modules/widgets, and the developer’s responsiveness to feedback and bug reports.”
Stats Official Site & Community
“Certain modules like Sensors and Bluetooth can increase CPU and energy usage, requiring users to manually optimize settings for better efficiency.”
Stats FAQ: How to reduce energy impact or CPU usage
“Some users report intermittent issues where widgets fail to load after startup, requiring a restart or manual toggling to resolve.”
GitHub Issue #1513
“There are occasional cases where the app launches but menu bar icons do not appear, affecting usability until troubleshooting steps are taken.”
GitHub Issue #2479
Community