Walk into every call already prepared.

HelmistAI is your private meeting copilot. It listens, keeps your context in encrypted knowledge packs, and gives you instant answers, recaps, and talking points — in a discreet overlay that stays off every screen share.

Download for macOS Explore features

Free to start — 3 sessions a month, no credit card. Local speech-to-text. No setup.

HelmistAI overlay assisting during a live meeting
● Private by designSpeech-to-text runs locally on your computer. You choose which AI model sees your questions — ours, or your own key.
● Invisible on screen shareThe overlay stays hidden from Zoom, Meet, Teams and recording tools
● Your models, your rulesWorks out of the box, or bring your own OpenAI / Claude / local Ollama key

Built for the moments that count

Client calls, team standups, sales demos, interviews, classes — one copilot for every conversation where being prepared matters.

Listens to both sides

Dual-channel capture: your microphone and the meeting audio, transcribed live with on-device Whisper.

Reads your screen

Ask about the code on screen, the slide being shared, or the doc you're reviewing — answers use what you see.

Knows your context

Knowledge packs hold your projects, team, and STAR stories — injected into every answer, encrypted on your Mac.

Five modes, one keystroke

  • Answer — about anything on your screen
  • What to say — the next line, phrased your way
  • Follow-ups — smart questions to ask them
  • Recap — the conversation so far, on demand
  • Solve — work through the problem on screen
Sessions are timed and saved to an encrypted local history — search your past calls, export transcripts, and keep your prep in one place.

Simple pricing

Start free. Upgrade when HelmistAI becomes the thing you open before every call. Pro works on macOS today and Windows at launch.

Free

$0

Try it on real calls.

  • 3 Assist sessions / month
  • 20-minute sessions
  • 1 knowledge pack
  • Standard overlay
Download

Discreet

$39.99/month

Everything in Pro, plus total discretion.

  • Everything in Pro
  • Discreet mode — click-through overlay that stays out of your way
  • Priority AI routing
  • Early access to new features
Get Discreet

Screen-share invisibility included on every plan. Discreet mode goes further — the overlay becomes fully click-through, staying out of your way while you work.

macOS today. Windows next.

HelmistAI is built as a cross-platform desktop app from day one — same features, same encrypted storage, same overlay on Windows.

macOS — available now

Apple Silicon and Intel. Download, grant permissions, run your first session in two minutes.

Windows — in active development

Native build with the same session model, knowledge packs and invisible overlay. Join the waitlist to get it first.

Waitlist perk

Waitlist members get an extended trial and launch-day discount on Pro when the Windows build ships.

Questions

Does the audio of my meetings leave my computer?

Speech-to-text runs locally on your computer with Whisper — audio is never uploaded. Only the transcribed text is sent to the AI model for answers, and on Pro you choose exactly which model or provider that is.

Will it show up when I share my screen?

No. The overlay is excluded from screen capture on every plan — Zoom, Meet, Teams, and recording tools don't see it.

Which AI models does it use?

It works out of the box with our built-in model — no setup. On Pro you can plug in your own OpenAI, Anthropic or OpenRouter key, or point it at a local Ollama / vLLM endpoint.

What languages does it support?

English out of the box today; Whisper's multilingual models (50+ languages) are supported — pick the model in Settings and set the language.

Do I need to sign in?

No. The app works locally from the first launch. Sign in with Google to sync your license and unlock Pro across reinstalls.

When is the Windows version coming?

It's in active development. Join the waitlist and you'll get an extended trial plus a launch discount when it ships.

Is my knowledge pack private?

Yes — packs are encrypted on your computer, never uploaded, and private files are excluded from both answers and exports.

Be the most prepared person on every call.

Download HelmistAI and run your first session in under two minutes.

Download for macOS Join the Windows waitlist