About Marsh Studio

One developer. One promise: simpler tools.

Marsh Studio is an independent one-person studio. I'm a software developer working solo, pairing with AI to build the kind of software big companies won't: small, fast, honest tools you buy once and own.

Mission

Ease everyday life, one tool at a time.

Software should remove friction, not add it. Every product here exists because something in daily life was harder than it needed to be.

MarshEQ started because a pair of Marshall headphones sounded wrong on a Mac and there was no companion app to fix it. Instead of returning them, I built the app that should have existed. That's the studio in one story: find the everyday annoyance, ship the fix.

What we're building

Mac apps today. Web apps next.

Native Mac apps

MarshEQ shipped first — a system-wide equalizer that lives in the menu bar. The next Mac app is already on the bench.

Web apps (SaaS)

The same philosophy is coming to the browser: focused web tools with honest pricing — currently in the works.

Built solo, with AI

One developer pairing with AI to move at the speed of a team — every line still reviewed, every decision still human.

MarshEQ Out now

Studio-grade EQ for every sound your Mac makes.

See the app

How we build

Three rules, every product.

Pay once, own it

Every app is a one-time purchase with free point updates. No subscriptions, no accounts, no upsells.

No tracking

No analytics, no telemetry, no data collection. What happens on your device stays on your device.

Native & tiny

Real apps for each platform — megabytes, not gigabytes. Built on first-party frameworks, gone without a trace when you delete them.

Design language

Dark-first, with a signature gold.

Every product ships dark by default with a warm accent system — Amp Gold leads, four companions follow. You'll recognize a Marsh Studio app before you read its name.

Amp GoldSignature

#EBB852

Music Red

#FA3338

Ocean Blue

#4099F2

Plum

#B873E6

Forest

#59C780

Say hello.

Questions, feedback, or an everyday annoyance you think deserves an app? I read everything.

Email the studio