The same care we put into client work goes into our own apps. Discover practical Mac utilities and a colourful new space for kids to create.
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Fan control · Menu bar + app
Your MacBook's fans, one step ahead of the heat.
FannyBoost monitors and boosts the cooling fans of Apple Silicon MacBook Pros - live CPU and GPU temperatures, custom fan curves, and one-click presets from a clean SwiftUI app and menu bar item. Spin the fans up before a long export or compile instead of waiting for macOS to react, and keep your machine cooler and quieter-throttling under sustained load.
It's engineered to be boring about safety: it can only ever make the fans spin faster than Apple's automatic control, never slower. A tiny root helper clamps every request, enforces a temperature-based floor, and a dead-man switch hands the fans straight back to macOS if the app ever stops responding.
Display brightness · Menu bar
Brightness keys that follow your mouse.
With several monitors attached, macOS points its one brightness control at whichever display it feels like. ScreenBoost points it at the display under your cursor instead: press the brightness keys and the right screen responds, with an instant HUD, per-display sliders in the menu bar, and every monitor's level remembered across reconnects. It speaks DDC/CI to third-party monitors and Apple's own display framework to panels like the Studio Display and Pro Display XDR.
It also goes far beyond the standard range. Apple caps everyday SDR content at 500 nits on the MacBook Pro's Liquid Retina XDR and the Pro Display XDR, yet those panels can sustain 1,000 nits and peak at 1,600 nits - ScreenBoost unlocks that headroom through EDR, the same native mechanism macOS uses for HDR video, so nothing is overdriven or damaged. Third-party monitors get a software brightness lift past their factory 100% too, and every display can dim below zero for late-night work.
FannyBoost and ScreenBoost are built for Apple Silicon. The privacy details below apply to these two Mac utilities.
Neither app ever opens a network connection. There is no networking code in them at all - nothing to phone home with.
No tracking, no telemetry, no crash reporting, no third-party SDKs. What happens on your Mac stays on your Mac.
No sign-up, no licence checks, no update pings. Download the zip, install it, and the apps work forever - even air-gapped.
Before you install
Both apps talk directly to the hardware through private Apple APIs - the SMC for fan control, and private display frameworks for brightness. Apple doesn't allow that from sandboxed App Store apps, so we distribute them here instead. The builds are signed but not notarised, which means macOS quarantines the download and needs you to vouch for it once.
# after unzipping into /Applications: $ xattr -dr com.apple.quarantine /Applications/FannyBoost.app $ xattr -dr com.apple.quarantine /Applications/ScreenBoost.app
Built for our own Macs, shared as-is. Both apps are in daily use on our machines and designed to fail safe - FannyBoost can never slow your fans below Apple's own targets, and ScreenBoost reverts everything it changes when it quits. Still, they're free tools provided without warranty. Uninstalling either one removes everything it added.
Like what you see?
The same obsession with detail, safety, and native performance goes into every client app we ship. If you want it pointed at your product, let's talk.
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