Sharp Lynx app icon

macOS · Apple Silicon · Free

Sharp Lynx

CPU, GPU, memory and temperatures — live in your menu bar. Open the dashboard and it explains what those numbers mean, names the app behind them, and can hand some memory back.

Download Sharp Lynx on the Mac App Store

Price
Free
Requires
macOS 14 or later
Architecture
Apple Silicon
Collects
Nothing. No account, no analytics.
Formerly
SystemPal — same App Store listing
The Sharp Lynx dashboard showing CPU with per-core bars, GPU, memory with swap, battery, storage, network, sensors and top processes

Memory and CPU

It says what the
numbers mean.

Every monitor can tell you memory is full. Sharp Lynx tells you what macOS is doing about it, which app is behind it, and what quitting that app would give you back — in plain sentences, on the Memory and CPU pages.

Two Sharp Lynx cards. Where the memory is: macOS is compressing 14.7 GB and holding 8.7 GB in swap to fit your apps into 32 GB. Where the CPU is going: one app has been using about 3 of your 12 cores for the last 10 minutes.

Measured, never guessed.

  • An app is named only once it holds a clear lead over the runner-up and a real share of the machine — short bursts, a page load or a build, never appear
  • CPU is stated in cores, not percentages: three of your twelve cores means something, 320% doesn't
  • Sustained load only — a 60-second rolling average across the whole process family, so one busy second never names anyone
  • Every estimate says it is one, and says why it might be off

A state, not a score.

The card carries one word for how the machine is coping — comfortable, working hard, under pressure — taken from what macOS itself reports, not from a number we invented.

On a Mac with room to spare it says so and stops. There is no advice, no grade, and nothing to dismiss.

Free Up Memory

Free up memory,
in one press.

The feature asked for most often in reviews. It purges inactive and cached pages, then tells you what it actually got back — including when the answer is nothing.

  • A broom button on the Memory page, the dashboard Memory card and the menu bar popover — press it anywhere and every window follows along
  • A progress ring while it runs, and a measured result when it finishes: how much came back, and how much swap it cost
  • Three strengths, from Standard to Maximum, if you want it to push harder
  • No restart, no admin password, nothing to configure first

Stronger is not always better, and the app says so. On a 32 GB Mac, pushing past the point where the system starts evicting cost 715 MB more swap and ended with 1.2 GB less free memory than stopping there. The setting exists; the honest note sits next to it.

The Free Up Memory strength setting: Standard, Strong and Maximum, each with a one-line description of what it costs
The Sharp Lynx Memory page mid-reclaim, with a progress ring, the memory allocation breakdown, the Where the memory is card and the ten top memory processes

Menu bar

Always on screen.

The numbers you actually watch, right there in the bar — no window to open, no clicking around. Every chip is optional and reorderable, so you can build a single CPU number or a full row.

Sharp Lynx metric chips in the macOS menu bar: CPU, GPU, memory, temperature, battery and both network directions

Click for the detail.

One compact popover with every metric, its own chart, and the top five processes by CPU or memory — plus the app those processes belong to, and the broom, without leaving what you were doing.

  • Choose which metrics appear and drag them into the order you want
  • Two-line labels, so you never have to guess which number is which
  • Compact spacing to fit more into a crowded bar
  • The menu bar gets its own theme, independent of the app window
The Sharp Lynx menu bar popover showing CPU, GPU, memory with a broom button, battery, disk, network, and top processes with the app behind them named above

Reorder, relabel, compact.

Settings shows you the bar as you build it. Pick a display style — numbers only, graph only, graph with value, or minimal — set the order, and watch the preview update.

Sharp Lynx menu bar settings with a live preview of the bar, display style options and metric ordering

Dashboard

Not just a number
that goes up and down.

The breakdown behind it. Dedicated detail pages for CPU, GPU, Memory, Storage, Network, Battery and Sensors, each with a large live chart and the numbers that matter.

CPU

Live load with a stacked user / system chart, per-core bars split into Performance and Efficiency cores, load averages, and where the CPU is going.

GPU

Utilisation and die temperature, with the same one-second history as everything else.

Memory

Used against total, the App / Wired / Compressed / Free breakdown, swap in use, and the one-press reclaim.

Storage

Capacity per volume, live read and write throughput, and how much has been read and written since boot.

Network

Download and upload on opposite sides of the axis, so a busy upload never hides a busy download.

Battery

Charge, health, cycle count and live power draw in watts.

Plus Top Processes, sortable by CPU or memory — ten of them on the dashboard, and ten more on the CPU and Memory pages without scrolling.

Appearance

A look that fits your desktop.

Multi-colour (a semantic colour per metric), Dual, Mono Amber, Mono Gray, Mono Blue and a clean Light theme. The Mono Gray menu bar adapts to your wallpaper exactly like macOS's own menu bar items.

Sharp Lynx appearance settings showing six themes for the app and the menu bar
The Sharp Lynx dashboard in the Light theme

Sensors

Temperatures and fan speed.

macOS doesn't expose thermal sensors or fan speed to sandboxed App Store apps. Sharp Lynx reads them through the free Sharp Lynx Helper, a small companion you download from this page.

The app will prompt you, and can start, stop and update the Helper for you. Everything else works without it.

Get the Helper

The Sharp Lynx sensors page showing CPU, GPU, memory, storage and battery temperatures with fan speed

Privacy

Private by design.

No account. No tracking. No analytics. Nothing collected. Every number is measured on your Mac and stays on your Mac.

AccountNone. Nothing to sign in to.
AnalyticsNo SDK, no identifiers, no crash reporting
What we collectNothing. Not usage, not diagnostics, not identifiers
Your dataSettings and history stay in a local container

Read the Sharp Lynx privacy policy →

Companion app · Free

Sharp Lynx Helper

macOS does not let sandboxed App Store apps read thermal sensors or fan RPM. Sharp Lynx Helper is a small, separate app — Developer ID signed and notarised by Apple — that reads those two things and hands them to Sharp Lynx.

You only need the Helper if you want temperatures and fan speed. CPU, GPU, memory, disk, network and battery all work without it.

Download Sharp Lynx Helper

Version 1.1 · SharpLynxHelper.dmg · for macOS

How to install

  1. Click Download Sharp Lynx Helper above to get SharpLynxHelper.dmg.
  2. Open the downloaded .dmg file.
  3. Drag Sharp Lynx Helper into your Applications folder.
  4. Launch Sharp Lynx — it will detect the Helper and start it for you. Temperatures and fan speed appear on the Sensors page.

Sharp Lynx can also start, stop and update the Helper from its settings, so you normally won't need to touch it again.

Previous versions

Use the latest Helper unless you are running an older Sharp Lynx that needs a specific one.

  • Version 1.0 — 2026-07-22 First release. For Sharp Lynx 6.0 and later.

Support

Questions, bugs, requests.

Write a review on the Mac App Store — we read every one, and we can reply to you right there.

Sharp Lynx on the Mac App Store

If something needs a private reply — a crash, a licence question, anything you'd rather not put in a public review — email support@pop-hub.com.


Requires macOS 14 or later and an Apple Silicon Mac. Sharp Lynx is the rebuilt and renamed successor to SystemPal; if you already owned SystemPal, it's the same App Store listing.