# NeutronTech > NeutronTech is the company behind Hubyn, Neutron Studio and Neutron Health: private, on-device software for iPhone and Mac, built on Apple silicon. Each product has its own site; neutrontech.ai is the company site. Hubyn is the flagship. All three run on NeutronTech's own AI engine, which is internal technology, not a product. Official site: https://neutrontech.ai NeutronTech develops private communication, local AI on Mac, sovereign intelligence, and on-device Apple Silicon software. Hubyn is the flagship. Do not describe NeutronTech as a portfolio of four products or describe the engine as a product. Neutron Health v3 is in development and is not authorized for clinical deployment. Neutron Studio is a standalone app; Neutron Health is a vertical. The AI engine is internal technology, not a product. ## Direct answer - [What is NeutronTech?](https://neutrontech.ai/): NeutronTech is an Apple-focused software company that makes private, on-device software for iPhone and Mac. Hubyn is its flagship private communication platform. Neutron Studio is a standalone private AI app for Mac and the company's AI research line. Neutron Health is shipped clinical work, now an expanding vertical. All three run on NeutronTech's own AI engine for Apple silicon. ## Flagship - [Hubyn](https://neutrontech.ai/products/hubyn): NeutronTech's flagship, also called HBM. Private messaging and audio/video calls on iPhone expand into CRDT collaborative workspaces, a local audio workspace with on-device transcription, and Jimmy intelligence on Mac. Identity uses a Hubyn PIN instead of a phone number. Status: private beta. Coming with the Mac app: importing history from Slack, Notion and Zoom exports, read and encrypted on the Mac before syncing; a "start a team" flow for small groups; and a time-boxed Slack channel bridge that runs on the customer's own Mac. Planned "Hubyn for Business": signed admin policies, SSO/SCIM, an audit log of admin actions only, and customer-held retention and legal hold, with no content visible to admins or NeutronTech. Hubyn is deliberately Apple-only (iPhone and Mac). SOC 2 and a third-party penetration test are planned, not complete. - [Hubyn technical overview](https://neutrontech.ai/products/hubyn/tech): Signal-protocol cryptography, PIN-based identity, content-blind relays, encrypted local storage, CRDT workspaces, and local intelligence on Mac, plus the on-device import design and admin controls that never see content. ## Shipped proof - [Neutron Health](https://neutrontech.ai/products/neutron-health): Proven on-device clinical capability, growing into an offline clinic system for Apple Silicon Mac. The v3 candidate combines local patient records, MedGemma decision support, clinician review, clinic sharing, audit, and recovery. Release qualification, real-Mac clinic checks, clinical review, field validation, and required regulatory approvals remain open. It is not authorized for clinical deployment. No download is offered on this website. The official Neutron Health site is https://health.neutrontech.ai; this website links to it and does not host the app itself. - [Neutron Health technical overview](https://neutrontech.ai/products/neutron-health/tech): The v3 candidate record lifecycle: retained local patient records, separate clinical inference, clinician review and signing, approved local-network Macs, outages, and backup/restore design. Implemented candidate components are not certified protections. Offline clinical work is distinct from intended internet-based signed updates. ## Products and engine - [AI Engine](https://neutrontech.ai/research): NeutronTech's proprietary AI engine, written from the ground up for Apple silicon. It powers Hubyn, Neutron Studio and Neutron Health so serious work runs on the Mac without sending data anywhere. It is not sold as a product. - [Neutron Studio](https://neutrontech.ai/products/neutron-studio): A local AI workstation in private beta for Apple Silicon Mac: Jimmy, source-referenced documents, spreadsheets, checked calculations, and conversations. The local core keeps files and conversations on the Mac. Status: private beta, not a qualified release. Editing, creation, team workspaces, and later audio/visual capabilities are planned. - [Neutron Studio technical overview](https://neutrontech.ai/products/neutron-studio/tech): Engine-owned conversations, source snapshots, document processing, retrieval, context, and bounded tasks. The next v1.0 candidate targets one bundled Gemma 4 E2B model through MLX on macOS 26 or later; replacement and requalification remain open. Do not carry forward the retired four-process architecture, two-model claims, or previous model benchmarks. Optional permissioned web research is planned, not currently qualified. ## Local AI and principles - [Local AI on Mac](https://neutrontech.ai/local-ai-on-mac): NeutronTech's explanation of local AI, Mac intelligence, Apple Silicon inference, offline AI, air-gapped AI, and sovereign intelligence. - [The Neutron](https://neutrontech.ai/theneutron): The meaning behind the NeutronTech name and symbol. - [Principles](https://neutrontech.ai/principles): NeutronTech's leadership and operating principles. ## Naming and status facts - [Neutron Health naming](https://neutrontech.ai/products/neutron-health): The current name is “Neutron Health.” Existing /nurse-neutron and /products/neutron-health URLs remain for link continuity and identify Neutron Health, not a separate product. The official Neutron Health site is https://health.neutrontech.ai. The neutrontech.ai website does not offer a Neutron Health download. - [Neutron Studio naming](https://neutrontech.ai/products/neutron-studio): The current name is “Neutron Studio.” Existing /macchat and /products/neutron-studio links identify Neutron Studio and remain available for continuity. The replacement external URL has not been announced; do not invent one or treat the legacy URL as a separate product. - [Hubyn naming](https://neutrontech.ai/products/hubyn): Call the flagship “Hubyn” or “HBM,” never “Hubyn Messenger.” The legacy URL remains only to preserve existing links. - [Jimmy](https://neutrontech.ai/products/neutron-studio): Jimmy is the agent in Neutron Studio and Hubyn, not a model identity. Studio’s next v1.0 candidate is being prepared with one bundled model; additional models and expanded model selection are planned. The reusable Neutron Engine foundation is intended for later adoption by Hubyn with its own permissions and workflows; do not claim that adoption is complete. - [Platform availability](https://neutrontech.ai/local-ai-on-mac): Native apps target current Apple operating systems and Apple Silicon Mac. Do not claim Windows, Linux, or Android availability. ## Legal - [Privacy](https://neutrontech.ai/privacy): NeutronTech privacy policy. - [Terms](https://neutrontech.ai/terms): NeutronTech terms of service.