FanTuner — a Mac fan control app for your Mac

Cooler under load.

Live CPU Core Average thermals, both fans, and deliberate control — from a small menu bar app built for one Mac, done properly.

Download for MacVersion 1.0 · macOS 14+ See how it worksFour-step tour

Hardware-verified on M3 Max (Mac15,11) · Apple Silicon with fans, M1–M4

45.0°C

CPU Core Average 1,400 RPM Curve target

? ? ? ? ? ?

Smart Auto — a steady 60 °C maps to 2,750 RPM; a rapidly rising CPU can trigger a higher predictive tier.

01 What it does

Your Mac knows when it’s hot.
Now you do too.

Live thermals, deliberate cooling, and quick presets — without burying the controls inside a utility drawer.

Live thermal monitoring

CPU Core Average, both fan speeds, targets, modes, and history — readable at a glance, right in the menu bar.

Smart Auto

A performance-biased curve that ramps earlier under load, jumps ahead of fast-rising heat, and steps down gently once the work is done.

Your own presets

Full Blast when you mean it. Constant speeds or temperature curves when you don’t — linked fans, or left and right tuned independently.

02 How it works

Four steps between you
and a cooler Mac.

1 Choose a preset
Smart Auto, Full Blast, System Automatic, or a curve of your own — one click in the menu bar.
2 FanTuner watches the CPU
It reads the CPU Core Average every two seconds and maps it to your chosen behavior.
3 The helper adjusts the fans
A small approved helper sets each fan’s target, always within its live hardware limits.
4 Automatic stays a click away
Recovery to macOS control is built in — on quit, sleep, disconnect, or watchdog timeout.

Choose a cooling mode

03 Three ways to cool

One click when you need it.
Automatic when you don’t.

Move between the system’s own control, proactive cooling, and maximum airflow without hunting through settings.

AApple DefaultHand everything back to macOS

✦Smart AutoPerformance-biased cooling

↗Full BlastAll fans at maximum RPM

04 Designed with a way back

Control when you want it.
Recovery by design.

Manual fan control is a privileged operation, so the app is engineered around one idea: getting back to macOS control should never depend on luck.

A narrow, type-checked helper

Fan writes require a privileged helper you approve once in System Settings. Its only operations are fan mode and fan target — validated against live hardware limits. No raw hardware access, no arbitrary keys, nothing else.

Heartbeat watchdog

The app must check in constantly. If it stops responding — crash, force-quit, disconnect — the helper notices the silence and returns both fans to macOS Automatic on its own.

Every write is logged

Each attempted fan change is recorded to the system log with its result, so behavior can be audited after the fact instead of guessed at.

Back to macOS, always

Quit, sleep, disconnect, watchdog timeout, or the in-app reset — every path ends with both fans under macOS Automatic control again.

Fan control of this kind can never be called risk-free. FanTuner is designed so that losing control of the app never means losing control of your cooling.

Compatibility Check

✓ HARDWARE VERIFIED ON M3 MAX

Verified on one Mac.
Designed for a family.

FanTuner is a Mac fan control app for Apple Silicon Macs with fans, from the M1 through the M4 family — base, Pro, and Max models that have fans — on macOS 14 or later. The single configuration verified on real hardware is the 16-inch MacBook Pro from November 2023 with Apple M3 Max, model identifier Mac15,11. Every other model is supported by design, pending validation on that hardware.

VerifiedM3 Max · Mac15,11By designM1–M4 with fansNot yetM5 and newer

How do I find my model identifier?＋

Apple menu → About This Mac → More Info… → Model Identifier. Or in Terminal: sysctl -n hw.model. FanTuner targets Apple Silicon with fans; Macs without fans (like MacBook Air) have nothing to control.

On M5 or newer? Not supported yet — fan-control keys changed again on that generation, so please don’t purchase until a compatible release exists. On M1–M4? You’re covered by design. Note that Apple firmware updates can change fan behavior on M3 and later; we re-validate against each macOS release and say so if anything shifts.

Important: Other Mac fan-control utilities can conflict with FanTuner. Please uninstall them or make sure they are not running while using FanTuner.

05 Version 1.0

Keep performance cool.

FanTuner version 1.0 is available now.

Download for MacVersion 1.0 · macOS 14+ Download version 1.0 directly. Hardware-verified on M3 Max (Mac15,11); other M1–M4 models are supported by design. M5 and newer are not supported yet. No checkout is required for this build. Not affiliated with Apple. Important: Other Mac fan-control utilities can conflict with FanTuner — uninstall them or make sure they’re fully closed before use.

06 The small print, made readable

Frequently asked questions.

Which Macs are supported?

FanTuner is designed for Apple Silicon Macs with fans from the M1 through the M4 family (base, Pro, and Max models with fans) on macOS 14 or later. The only configuration verified on real hardware so far is the 16-inch November 2023 MacBook Pro with M3 Max (Mac15,11); other M1–M4 models are supported by design and are being validated model by model. M5 and newer use different fan-control keys and are not supported yet. Macs without fans have nothing to control. Apple firmware updates can change fan behavior on M3 and later, and we re-validate with each macOS release.

Does FanTuner replace Apple’s thermal protection?

No. FanTuner sets fan targets through a narrow privileged helper; macOS thermal management and hardware-level protections remain in place. And whenever a control session ends — quit, sleep, disconnect, watchdog timeout, or manual reset — both fans return to macOS Automatic.

Why does installation require administrator approval?

macOS only permits fan writes from a privileged process. FanTuner’s helper is a standard launch daemon registered through Apple’s service-management APIs, and macOS — not the app — asks you to approve it once under System Settings → General → Login Items. The helper exposes only validated fan operations.

Can I run it alongside another fan utility?

No. Fan control state is shared hardware state, and two controllers will fight over it. Quit and disable any other fan-control software before using FanTuner. The helper also refuses control if the fans aren’t in a clean automatic state when a session begins.

What happens if the app crashes or I force-quit it?

The helper’s heartbeat watchdog notices the silence within seconds and returns both fans to macOS Automatic. The same recovery happens on sleep, disconnect, helper restart, and uninstall. You can also trigger it yourself anytime from Settings.

What about privacy — does it collect data?

Monitoring and control run locally on your Mac. There is no analytics or tracking in the app or on this site. A formal privacy policy will be published before release and linked here.

How do updates and refunds work?

Those terms haven’t been finalized, so they aren’t promised here either. Update and refund policies will be published on this page before checkout opens — you’ll be able to read them before paying anything.

Is FanTuner affiliated with Apple?

No. FanTuner is an independent utility. Mac and MacBook Pro are trademarks of Apple Inc.; this product is not affiliated with or endorsed by Apple Inc.