ἀκουσματικοί · the listeners

The cosmos of your voice.

A private voice archive that captures what you say and preserves it like amber. Local-first. Permanent. Yours, forever.

Chapter I

Hear without seeing.

In 530 BCE, Pythagoras taught from behind a veil. His outer students — the Akousmatikoi, the listeners — were not permitted to see him. They heard only his voice. For five years, they sat in silence, absorbing.

The belief was simple: sight distracts. The body performs. Only the voice carries thought in its purest form.

Twenty-five centuries later, your voice is still the most personal thing you produce. Your thinking, your hesitation, your emphasis, your tone. Everything that makes you you — audible for a moment, and then gone.

Acousmos is a chamber for what you say. A place where your voice becomes an asset, not a trace.

Chapter II

Two assets, one voice.

Every time you speak into Acousmos, you create two forms of wealth that compound over time.

I

Your voice.

Your timbre, your cadence, the way you pronounce the word coincidence. This is data only you produce. Acousmos archives it locally — so one day, your voice can power personal, consent-based voice workflows. Only by you. Only for you.

II

Your mind.

The thinking beneath the words. Meeting ideas, shower epiphanies, walking monologues, half-formed hunches — your mind in motion, captured as you lived it. Searchable, organized, yours to revisit decades from now.

Chapter III

Four principles.

  1. 01

    Private by default.

    Your archive stays local by default. No cloud sync. No telemetry. No training on your voice. The network panel is auditable. The app runs in airplane mode.

  2. 02

    Permanent by design.

    Structured, durable storage from day one. Your archive outlasts apps, operating systems, companies. Export anytime, anywhere.

  3. 03

    Silent by craft.

    No notifications. No nags. No dark patterns. Acousmos is meant to disappear until you need it — then to be exactly there.

  4. 04

    Yours by philosophy.

    Open data format. No lock-in. No proprietary container. If you ever leave, you leave with everything you said — intact.

Before you choose

Hear the engines side by side.

Arena is Acousmos’ listening room: compare ASR and TTS providers on real samples before you decide which voice stack belongs in your archive.

Open Arena
Available now

Ready when you are.

Acousmos is available first as a native Apple Silicon app. Your archive runs locally. No telemetry, no training on your voice, no cloud sync by default.

Download for Mac

Need a license first? Choose a plan

Apple Silicon macOS 14+ BYOK or Cloud

Notarized Apple Silicon build. Activate with a license from the plans page.

Chapter IV

Questions before you start?

Acousmos is live. The app, plans, and license email are ready. For anything unusual, support is at support@acousmos.com.