ExtraBrain logo
Download Free
Download Free
Download ExtraBrain

Download the free ExtraBrain app for Mac and Windows.

Choose your platform, check compatibility, and follow the install steps before your next live interview or meeting. You can also install ExtraBrain from the Mac App Store or the Microsoft Store.

Choose your platform Read installation guide
Choose your platform

Download ExtraBrain

ExtraBrain is free on Mac and Windows. Download the latest release directly, or install it from the Mac App Store or the Microsoft Store.

Apple, the Apple logo, and Mac App Store are trademarks of Apple Inc., registered in the U.S. and other countries. Microsoft and Microsoft Store are trademarks of the Microsoft group of companies.

Download ExtraBrain

Compatibility

Mac

macOS 14 Sonoma or later, on Apple Silicon and Intel Macs.

Windows

Install ExtraBrain on a Windows PC with the installer from the latest release, or get it from the Microsoft Store.

Planned platforms

Linux is planned, not a current release target.

AI options

Use local Gemma 4 on-device AI on Macs with 16 GB of RAM or more, or bring OpenAI, Anthropic, Claude Subscription, Codex Subscription, or custom OpenAI-compatible access.

Best first test

Run a short rehearsal after installation to confirm window behavior, microphone access, transcription, Gemma 4 availability, and provider routing.

Download ExtraBrain

Install steps

Choose an install path

Download the Mac or Windows build directly from the latest GitHub release. You can choose the Mac App Store or the Microsoft Store instead.

Install

On Mac, open the DMG and move ExtraBrain into Applications. On Windows, run the installer, or install from the Microsoft Store.

Launch

Open ExtraBrain once, grant the microphone and screen permissions your system asks for, and confirm settings are reachable.

Verify

Run a short rehearsal before using ExtraBrain in a live interview or meeting.

Keep notes nearby

Open the getting started, provider setup, privacy, and troubleshooting guides before your first high-stakes session.

Download ExtraBrain

Release integrity

The direct Mac download is signed and notarized by Apple, so macOS Gatekeeper opens it without security overrides. The Windows installer comes from the same GitHub release. GitHub release metadata is the source of truth for asset names, dates, file sizes, and published digests.

Summary

Key takeaways

Download ExtraBrain for Mac and Windows is part of ExtraBrain's local-first desktop workflow for live interviews, meetings, transcription, provider control, and responsible AI use.

Page focus

Choose your platform, check compatibility, and follow the install steps before your next live interview or meeting. You can also install ExtraBrain from the Mac App Store or the Microsoft Store.

Platform fact

ExtraBrain has 2 current desktop platforms, macOS and Windows; on Mac it supports both Apple Silicon and Intel.

Data-flow fact

ExtraBrain has 3 configurable data paths to review before sensitive work: local Parakeet transcription, local Gemma 4, and external providers you choose.

FAQ

Common questions.

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

Where is the latest ExtraBrain download?

The canonical download link is /download/. Choose Mac or Windows there; each button downloads the installer from the latest GitHub release. Mac users can also install from the Mac App Store, and Windows users from the Microsoft Store.

Does ExtraBrain support Intel Macs?

Yes. ExtraBrain supports macOS 14 Sonoma or later on Apple Silicon and Intel Macs.

Is ExtraBrain available for Windows or Linux?

ExtraBrain is available for Windows: download the installer from /download/. Linux is planned, not a current release target.

What should I test after downloading ExtraBrain?

Launch the app, confirm settings and permissions, test transcription, verify local Gemma 4 or provider access, and rehearse before using it in an interview or meeting.

Is the Mac app notarized?

Yes. The direct macOS download is signed and notarized by Apple. The Mac App Store version is distributed and reviewed through the App Store.