Neurosity

At a glance

Legal name

Neurosity, Inc.verifiedSources (2)

1. Neurosity Crown Instruction Manual (lists manufacturer + address)https://manuals.plus/neurosity/crown-brain-gadget-manual.pdf2023-09-27
2. FCC ID 2BBAV-NRT1001 — Neurosity Inc.https://fccid.io/2BBAV-NRT10012023-07-24

Updated: 2026-05-04

Aliases

—unknownUpdated: 2026-05-04

Type

private-startupverifiedSource

1. Neurosity — LinkedIn company pagehttps://www.linkedin.com/company/neurosity

Updated: 2026-05-04

Focus areas

consumer-focus, developer-tools, consumer-wellness, brain-computer-interfaceverifiedSource

1. Neurosity — LinkedIn company pagehttps://www.linkedin.com/company/neurosity

Updated: 2026-05-04

Founded

2018verifiedSources (2)

1. Neurosity — LinkedIn company pagehttps://www.linkedin.com/company/neurosity
2. Neurosity Crown Instruction Manual (lists manufacturer + address)https://manuals.plus/neurosity/crown-brain-gadget-manual.pdf2023-09-27

Updated: 2026-05-04

Defunct

—unknownUpdated: 2026-05-04

Spinout of

—unknownUpdated: 2026-05-04

HQ city

BrooklynverifiedSources (2)

1. Neurosity Crown Instruction Manual (lists manufacturer + address)https://manuals.plus/neurosity/crown-brain-gadget-manual.pdf2023-09-27
2. Neurosity — LinkedIn company pagehttps://www.linkedin.com/company/neurosity

Updated: 2026-05-04

HQ country

USverifiedSources (2)

1. Neurosity Crown Instruction Manual (lists manufacturer + address)https://manuals.plus/neurosity/crown-brain-gadget-manual.pdf2023-09-27
2. FCC ID 2BBAV-NRT1001 — Neurosity Inc.https://fccid.io/2BBAV-NRT10012023-07-24

Updated: 2026-05-04

Employees

1-10 (as of 2026-05-04)verifiedSource

1. Neurosity — LinkedIn company pagehttps://www.linkedin.com/company/neurosity

Updated: 2026-05-04

Flagship device

neurosity-crownverifiedSource

1. Neurosity home pagehttps://neurosity.co

Updated: 2026-05-04

Product lines

3verifiedSources (2)

1. Neurosity Launches the Crown — press release (Yahoo Finance)https://finance.yahoo.com/news/neurosity-launches-crown-tm-110000759.html2021-03-16
2. Medgadget — Notion Brain Computing Platform interview with AJ Kellerhttps://www.medgadget.com/2020/03/notion-brain-computing-platform-interview-with-aj-keller-ceo-of-neurosity.html2020-03-01

Updated: 2026-05-04

In-house manufacturing

—unknownUpdated: 2026-05-04

Open source

YesverifiedSource

1. Neurosity GitHub organisationhttps://github.com/neurosity

Updated: 2026-05-04

GitHub org

neurosityverifiedSource

1. Neurosity GitHub organisationhttps://github.com/neurosity

Updated: 2026-05-04

Website

neurosity.coverifiedSources (2)

1. Neurosity home pagehttps://neurosity.co
2. Neurosity — LinkedIn company pagehttps://www.linkedin.com/company/neurosity

Updated: 2026-05-04

Blog

—unknownUpdated: 2026-05-04

Support

—unknownUpdated: 2026-05-04

Devices

• non-invasiveEEG

  Crown

  neurosity

  8 channelsUSD 1,499
• non-invasiveEEG

  Notion 1

  neurosity

  8 channels—
• non-invasiveEEG

  Notion 2

  neurosity

  8 channels—

People

MilestonesverifiedSources (3)

1. Neurosity Launches the Crown — press release (Yahoo Finance)https://finance.yahoo.com/news/neurosity-launches-crown-tm-110000759.html2021-03-16
2. Medgadget — Notion Brain Computing Platform interview with AJ Kellerhttps://www.medgadget.com/2020/03/notion-brain-computing-platform-interview-with-aj-keller-ceo-of-neurosity.html2020-03-01
3. Neurosity Crown Instruction Manual (lists manufacturer + address)https://manuals.plus/neurosity/crown-brain-gadget-manual.pdf2023-09-27

Updated: 2026-05-04

1. 2018

   Neurosity founded

   Founded by AJ Keller (ex-Boeing) and Alex Castillo (ex-Netflix) in Brooklyn, NY.

2. 2020-03

   Notion brain-computing platform interview / shipping

   Notion 1 / Notion 2 in early access at $799; AJ Keller interviewed in Medgadget about the platform.

3. 2021-03-16

   Crown launched

   Pre-orders open for the third-generation device — 'Crown represents the next generation of hardware, formerly known as Notion.' Units shipped in May 2021.

Reputation

Best-in-class developer experience for consumer-grade BCI. Strong following among JS/TS developers and knowledge-worker focus-tracking users.