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MacStats
CPU, RAM, network & temperature in your macOS menu bar
A native macOS menu bar monitor written in pure Swift — no Xcode project, no third-party dependencies, minimal CPU and memory footprint. Three columns at a glance: network up/download speeds, CPU load and RAM usage, and average CPU temperature. Colors shift from green to red as load climbs. Open the menu to see which apps are eating the most CPU and memory — helper processes roll up into their parent app, and system daemons are filtered out. Apple Silicon + Intel, macOS 11+. MIT licensed.
MacStats is a native macOS menu bar monitor written in pure Swift.
Three columns, always visible:
• Network — live upload/download speeds, units auto-scale (B/K/M/G)
• CPU & memory — live load % and RAM usage, color-coded green to yellow to red
• Temperature — average CPU temp, °C or °F
Open the menu and it ranks the apps currently eating the most CPU and memory. Helper processes (all those browser renderers) roll up into their parent app, and background system daemons are filtered out, so you only see the apps you actually recognize.
Some of the technical choices:
• No Xcode project — a plain build script invokes swiftc directly and assembles the .app bundle
• No third-party dependencies
• Runs as a background accessory (LSUIElement), so no Dock icon and no Cmd-Tab clutter
• Polls Mach and BSD APIs directly, with no allocations in the network hot loop
• SMC temperature sensors are discovered dynamically at startup, so it works on both Apple Silicon and Intel
Install and uninstall are each a single command, both in the README — and uninstalling cleans up login items and preferences rather than just deleting the app.
“CPU, RAM, network & temperature in your macOS menu bar”
MacStats was submitted on Product Hunt and earned 10 upvotes and 6 comments, placing #88 on the daily leaderboard. A native macOS menu bar monitor written in pure Swift — no Xcode project, no third-party dependencies, minimal CPU and memory footprint. Three columns at a glance: network up/download speeds, CPU load and RAM usage, and average CPU temperature. Colors shift from green to red as load climbs. Open the menu to see which apps are eating the most CPU and memory — helper processes roll up into their parent app, and system daemons are filtered out. Apple Silicon + Intel, macOS 11+. MIT licensed.
On the analytics side, MacStats competes within Mac, Developer Tools and Menu Bar Apps — topics that collectively have 632k followers on Product Hunt. The dashboard above tracks how MacStats performed against the three products that launched closest to it on the same day.
Who hunted MacStats?
MacStats was hunted by Hoang Nguyen Cong. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of MacStats including community comment highlights and product details, visit the product overview.
Hoang Nguyen Cong
Hey Product Hunt 👋
MacStats is a native macOS menu bar monitor written in pure Swift.
Three columns, always visible:
• Network — live upload/download speeds, units auto-scale (B/K/M/G)
• CPU & memory — live load % and RAM usage, color-coded green to yellow to red
• Temperature — average CPU temp, °C or °F
Open the menu and it ranks the apps currently eating the most CPU and memory. Helper processes (all those browser renderers) roll up into their parent app, and background system daemons are filtered out, so you only see the apps you actually recognize.
Some of the technical choices:
• No Xcode project — a plain build script invokes swiftc directly and assembles the .app bundle
• No third-party dependencies
• Runs as a background accessory (LSUIElement), so no Dock icon and no Cmd-Tab clutter
• Polls Mach and BSD APIs directly, with no allocations in the network hot loop
• SMC temperature sensors are discovered dynamically at startup, so it works on both Apple Silicon and Intel
Install and uninstall are each a single command, both in the README — and uninstalling cleans up login items and preferences rather than just deleting the app.
MIT licensed. Source: github.com/openhoangnc/mac-stats
Happy to answer any questions!