About

Software people who happen to be drummers.

Business Expense AS is an independent Norwegian software company specialising in music technology for the rhythm section.

We started with a simple frustration: the software drummers get is usually an afterthought. Metronomes designed by people who have never counted in a band. Practice apps that measure nothing. Trigger software with menus deeper than a mixing console. We knew it could be better, because we needed it to be better ourselves.

So we build the tools we always wanted at the kit. That means engineering with an obsession for latency and timing accuracy, interfaces you can operate with a stick in one hand, and features that come from real rehearsal rooms and real stages — not from a feature-comparison spreadsheet.

We are deliberately small. A compact team of engineers and musicians means every product decision is made by someone who will actually use the result. We prototype fast, test on real hardware and real kits, and throw away anything that doesn't feel right — because drummers can feel three milliseconds, and they can definitely feel a bad product.

We build primarily for Apple platforms — iPhone, iPad, Apple Watch and Mac — where the audio stack lets us deliver the timing precision our users demand.

How we work

Three principles run through everything we ship.

Timing is sacred

Latency, jitter and drift are treated as showstopper bugs, always. A rhythm tool that can't keep time isn't a tool.

Play first, tap second

Interfaces are designed for a person holding sticks, mid-song, on a dark stage. Big targets, zero clutter, no menus in the way.

Measured, not assumed

Every performance claim is profiled on real devices and real kits. If we say low-latency, we have the numbers behind it.

Company details

Business Expense AS is a Norwegian limited company (aksjeselskap) registered in the Brønnøysund Register Centre.

Legal entity

Company name
Business Expense AS
Organisation number
914 814 677
Registered in
Norway

Get in touch

Email
hello@businessexpense.no
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