CPU, with a verdict.
User, system, and idle — split, charted, and judged, from Moderate to High.
Espial
The ultimate system monitor for Mac, iPad, and iPhone.
Every core, every watt, every process — sampled every second, graded in plain English, and priced in real dollars.
In development — Espial for Mac ships first, direct from this site.
One-second sampling
Graded A to F
Watts → dollars
Insights computed on device
Overview
Get to know Espial.
The pulse
The whole app moves with the load.
Espial doesn’t sit still. Every ring, chart, and status chip — even the mark in the sidebar — takes the color of what’s happening right now: steady blue while your Mac coasts, warm amber when something is working hard.
Even the mark keeps time.
The sidebar pulse takes your system’s color — you know before you’ve read a number.
Every tile judges itself.
Moderate, High, Urgent — each subsystem wears its own verdict, not a global mood.
Calm by default.
Nothing blinks for attention. Blue means all is well — amber appears only where, and while, it’s true.
Wellness
“How’s my Mac?” Answered in one sentence.
The dashboard opens with a verdict, not homework: three rings for system load, memory, and battery health, a plain-English headline, and a Watch chip on exactly the areas that earn one.
Insights
One number that tells you how your Mac is doing.
Espial reads every subsystem, weighs what matters, and grades your device from A to F — then explains itself in plain English.
A Excellent · today’s health score
“Highest CPU load is typically at 11:00 AM — averaging 39%.”
“Sustained light load and healthy resource usage across the range.”
Energy
It even tells you what your Mac costs to run.
$7.11
a year — this MacBook Air, eight hours a day, at $0.12 per kWh.
20.3 W right now
$0.019 a day
$0.58 a month
A efficiency
Espial reads your Mac’s power draw — estimated the same way macOS does — applies your electricity rate, and shows the running bill, for the whole machine and every process on it.
Coverage
Everything Espial watches.
Nine subsystems, sampled every second — on a dashboard you can arrange any way you like.
GPU, minute by minute.
Ringed, trended, and judged on its own — even when only the GPU is working hard.
Catch the memory hogs.
Warm, before it gets hot.
Battery, lifecycle and all.
Space, and what’s eating it.
Network, per interface.
Live throughput and totals — from en0 to your VPN.
48.0
Neural Engine TOPS — watched
Sort, inspect, quit.
Every process and its footprint — Espial includes itself.
Why Espial
Activity Monitor shows you numbers. Espial tells you what they mean.
Activity Monitor is a fine utility — we keep it in our dock too. Espial picks up where it stops.
A wall of percentagesA single graded score, explained in plain English.
Energy as a bare columnPower in watts — and dollars on your electricity bill.
This Mac onlyEvery Mac, iPad, and iPhone you own.
CPU, GPU, memoryPlus the Neural Engine, thermals, and battery lifecycle.
Platform honesty
Honest about what each device allows.
iOS and iPadOS sandbox what apps may see. Espial shows everything each platform allows — and nothing it can’t verify.
| Capability | Mac | iPad | iPhone |
|---|---|---|---|
| System-wide CPU and memory | Yes | Own process | Own process |
| Process list and termination | Yes | — | — |
| Disk capacity and free space | Yes | Yes | Yes |
| Battery, thermal, reachability | Yes | Yes | Yes |
| GPU and Neural Engine | Yes | Not exposed by iPadOS | Not exposed by iOS |
| Health score and insights | Yes | Yes | Yes |
| Remote Monitor | Yes | Yes | Yes |
Questions? Answers.
How much will Espial cost?
Pricing will be announced at launch. Espial for Mac will be available directly from this site; the iPhone and iPad apps arrive through the App Store.
Does Espial send my stats anywhere?
Health insights are computed on your device. Remote Monitor shares snapshots between your own signed-in devices through your iCloud account — that’s what it’s for — and you can turn it off, or remove a device, at any time.
Why does the iPhone app show fewer metrics than the Mac app?
iOS sandboxes third-party apps more tightly than macOS does. Espial shows everything each platform allows — see the capability table above — rather than estimating numbers it can’t verify.
Is it heavy? Monitoring shouldn’t cost me performance.
Espial samples once per second on a single coordinated timer, and its own footprint is right there in the process list — nothing is hidden, including Espial itself.
When can I run it?
Espial is in development and launching soon. The moment a Mac build is published, a Download button appears right on this page — no mailing list required.
Every core. Every watt. Every device.
Espial is coming to all three screens — and your Mac can run it first.
Follow the build on the Status page
macOS, iOS & iPadOS · Espial for Mac downloads directly from this site.
