Your private transmission for the age of on-device intelligence.

Capture any text. Enrich it with local AI. Publish curated Streams. Everything stays on your machine — zero cloud, zero tokens, zero compromises.

▶ See It in Action

A real capture session. No cloud. No tricks.

All output below was generated by Qwen 3.5 running on-device. Relay never sent a single byte to a server.

relay capture — local session
0 external requests
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01 / Context

The age of the personal transmission has arrived.

In 2026, on-device AI is no longer a promise — it's a platform shift. Apple ships a 3B-parameter model running locally on iPhones by default. Google releases capable open-source models small enough for phones. The EU AI Act demands data sovereignty. The tools of thinking are moving from the cloud to the edge. Gearbox Relay is the transmission for this new reality.

2024

Apple Foundation Models debut on-device. On-device AI becomes a first-class platform feature, not a research demo.

2025

Gemma 4, Qwen 3.5 prove that capable models run at <200 MB. The cloud inference bottleneck breaks.

2026

EU AI Act enforcement begins. Zero-click searches dominate the web. The privacy-first, local-first paradigm becomes the default expectation.

02 / Belief

Your mind. Your transmission.

Gearbox Relay is the private operating system for your context. It captures what you notice, enriches it on your device, and lets you relay your curated perspective to others. No cloud ever touches your thoughts. No one can look inside.
[ gearbox blueprint ]
Your personal transmission
[ neural network ]
The biological equivalent

Transmission is biological. Biology is mechanical.

03 / Mechanism

Capture. Enrich. Relay.

Intake Valve

Capture

Highlight, copy, screenshot. Your attention leaves a trace. Relay grabs it with source metadata — URL, title, author, timestamp.

Gearbox Mesh

Enrich

On-device AI instantly tags, summarizes, and connects your capture to existing knowledge. No cloud, zero token cost.

Signal Out

Relay

Publish curated Streams. Others subscribe to your signal. Your private library stays sealed — you decide what to transmit.

04 / Certification

The Transmission Guarantee

✦ SEALED · ON-DEVICE
  1. All AI enrichment runs on-device.
  2. Sync data is end-to-end encrypted; the server sees only ciphertext.
  3. Stream publications are opt-in; your private library is never exposed.
  4. Zero third-party data sharing. No data to sell.
  5. The core client is open-source (Apache 2.0). Independent verification is invited.

Verify the source →

05 / Specs

Built for your context.

Model: Enrichment

On-Device AI

Qwen 3.5 tags, summarizes, and connects every capture via llama-cpp-2. Embeddings via ONNX. All inference is local.

Torque: Retrieval

Search

Full-text (FTS5) + semantic (LanceDB 384-dim vectors) hybrid search. Fallback to brute-force cosine on cold start.

Transmission: Publishing

Streams & Subscriptions

Curate topic Streams. Each published Stream auto-updates. Subscribers see your curated feed in their own Relay gearbox.

Meshing: Retention

Themed Reviews

AI-curated spaced repetition (SM-2). Daily review sessions surface thematic clusters from your knowledge graph.

Fuel: Zero-Cost

Zero Token Inference

All AI runs on your hardware. No per-token costs, no API keys, no cloud dependencies. Unlimited captures at no marginal cost.

License: Apache 2.0

Open Source Core

The entire client — capture, enrich, search, publish, sync — is published under Apache 2.0. Build from source. Audit every line.

Export: Full Portability

Data Export

Markdown, JSON, ZIP. Your knowledge graph is yours — export it anytime with full metadata and vector indices.

Range: Multi-Device

Encrypted Sync

AES-256-GCM end-to-end encrypted sync across devices. Argon2id key derivation. Zero-knowledge server stores only ciphertext.

06 / Fuel

Simple fuel for your transmission.

Free
$0
forever
  • Unlimited captures
  • On-device AI enrichment
  • Full-text & semantic search
  • 3 published Streams
  • 1 device, 50 MB sync
Download
Pro Standard
$8
per month
  • All Pro features
  • Cancel anytime
  • 7-day free trial
Subscribe

*Creators keep 100% of subscriber revenue for the first 12 months. After that, a voluntary Transmission Fuel contribution (10–20%) keeps the relay running.

07 / Signals

Signals worth subscribing to.

alex_chen · 8 months in relay

Edge AI & On-Device ML

Weekly distillation of the most important papers and releases in on-device machine learning, with practical deployment notes.

maria_kovacs · 6 months in relay

Privacy Engineering

Curated signal on encryption, data sovereignty, and practical privacy engineering. No theory — just shipping.

relay_labs · official

Gearbox Relay Changelog

Official product updates, architecture deep-dives, and transparency reports from the Gearbox team.

Are you a curator? Publish your Stream on Relay →

08 / Trajectory

What's next in the transmission.

Public BetaIn Progress
Mobile LaunchIn Progress
Collaborative StreamsPlanned
Voice CapturePlanned
Browser ExtensionsPlanned
Federated PersonalizationResearch

Install Relay

Your personal transmission. Runs entirely on your machine.

macOS

Apple Silicon + Intel

Download

Windows

10 / 11

Download

Linux

.AppImage + .deb

Download

iOS

TestFlight

Coming soon

Android

Play Store Beta

Coming soon