About

ExtraBrain helps people stay present during high-stakes live work.

The product is built for interviews, technical discussions, customer calls, lectures, and research conversations where context moves faster than notes.

Download for Mac

About

Product principles

Local-first

Keep the live workflow on the user’s Mac whenever possible, including local transcription and on-device AI on compatible hardware.

Provider choice

Let users choose local or external model and transcription providers they trust, including OpenAI, Anthropic, Claude, Codex, Deepgram, and compatible endpoints.

Responsible use

Make policy boundaries, privacy tradeoffs, interview expectations, workplace rules, and external provider data flow visible before high-stakes sessions.

About

What ExtraBrain builds for

High-stakes conversations

Interviews, meetings, research calls, lectures, customer calls, and technical discussions where context changes quickly and notes alone are not enough.

Desktop-native control

A Mac app workflow for people who want private live support without another participant joining the call, changing meeting dynamics, or relying only on a hosted browser dashboard.

Clear tradeoffs

Public pages explain local AI availability, provider data flow, pricing boundaries, and responsible-use expectations.

FAQ

Common questions.

Short answers for people and crawlers comparing ExtraBrain with other live AI assistants.

What is ExtraBrain?

ExtraBrain is a free, local-first desktop AI interview assistant and meeting copilot for Mac.

Is the product called ExtraBrain or Extra Brain?

The official spelling is ExtraBrain. Extra Brain is a spaced alias people may type when searching for the same product.

Who is ExtraBrain for?

It is for candidates, engineers, founders, students, meeting leads, researchers, and teams who need structured live context while staying mindful of privacy and policy boundaries.

What platforms does ExtraBrain support?

ExtraBrain is available for Mac today, including Apple Silicon and Intel Macs. Windows and Linux are planned.