A menu bar system monitor for macOS. CPU, memory, GPU, network, disk, battery and thermals at 0.046% CPU.
AirStats
An ultra lightweight macOS system monitor.
AirStats is a system monitor for the Mac menu bar. It reads CPU, memory, GPU, network, disk, battery, temperature, process and host statistics from the kernel and shows them in three places: the menu bar itself, a panel that drops down when you click the status item, and a desktop widget you can leave on screen.
It is built to be genuinely light. A menu bar monitor runs all day, every day, so AirStats holds a few megabytes and a fraction of a percent of one core rather than the tens of megabytes its peers take. It has no Dock icon, and reads the system through Mach, IOKit, sysctl and CoreWLAN.
AirStatKit never imports SwiftUI or AppKit, which is what lets the tests and the probe run in a windowless process.
Bugs and feature requests go on the issue tracker (opens in a new tab). For anything private, email [hello@airstats.app](mailto:hello@airstats.app).
Description adapted from the project README.
Community project. Help and bug reports go to the maintainers on GitHub; AppsXi does not provide support for this app.
MIT License
Use, change and share it freely, including in closed source apps, as long as the copyright notice stays.
Read the full licenseAppsXi checks every version before it is listed.
Signed by Byren Cheema (L77LA4GLFN)
Apple Developer ID team L77LA4GLFN
Notarized by Apple
Hardened Runtime on
File matches the hash GitHub published
SHA-256 63189e9f262b9dab708fff0af39b14bd4faa80baa6bdc6e0dc409f2426c82418
No malware found
ClamAV 1.5.4 on Oct 16, 2026
Install and behavior test in a virtual machine: not run yet
Coming soon for all listings.
Updates itself from the maintainer's own feed
sparkle: https://airstats.app/appcast.xml. AppsXi checks each new version too.
Checked Oct 16, 2026 · Mac
DMG · 2.9 MB
Yes. Airstats is free and open source under the MIT License. AppsXi lists the maintainers' official release and does not charge for it.
AppsXi downloads every version of Airstats from the maintainers' official GitHub release and checks it before it is listed. For version 1.6 (checked Oct 16, 2026), the Mac download is signed by its developer and notarized by Apple, each file matches the checksum GitHub publishes for the release, byte for byte and a malware scan found nothing.
Yes. Airstats has a native Apple silicon build.
Airstats needs macOS Sonoma (14) or later.
Airstats is an open source project by byren on GitHub (byrencheema/airstats). Help and bug reports go to its maintainers there.
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