The AI meeting notetaker market has a dirty secret: nearly every tool in it assumes your conversations belong on someone else’s server. For lawyers, clinicians, consultants, and anyone in a regulated industry, that’s a non-starter — and it’s exactly the gap Oats was built to fill when it launched in September 2026.
The pitch is disarmingly simple: a free, open-source (MIT license), on-device meeting notetaker that lives in your menu bar. Hit record, hold your meeting in any app, and finish with a transcript, an AI-written summary, and a clear list of action items. No bot ever joins your call.
How It Works
Oats lives quietly in the macOS or Windows menu bar. One click starts recording; pause, resume, or stop without leaving whatever you’re doing. Because the app captures audio your computer can hear, it genuinely doesn’t matter whether the conversation happens in Zoom, Meet, Teams, a phone call, or a hallway chat — no browser extension, no assistant to invite, nothing announcing itself to other participants.
As people talk, transcription streams in with speaker labels sorting out who said what. When the meeting ends, Oats produces:
- A quick digest and a full summary
- Action items assigned to each person
- Even a meeting quality score drawn from the conversation itself
Everything lands in a searchable library, and since version 0.23, action items from every meeting collect in a Todos tab — tick one off and it closes, so follow-ups actually get followed up.
The Privacy Model: The Real Product
Here’s where Oats draws its clearest line. Switch the backend to Local, and recording, transcription, speaker labels, and notes all run offline:
- 🍎 On Mac, transcription runs on the Apple Neural Engine via CoreML; summaries are written by an on-device language model. Zero API calls.
- 📁 Each recording is kept as three plain files on disk: the audio, the transcript, and the note.
- 📝 Notes are plain Markdown in an Obsidian vault you choose, with action items written as Obsidian Tasks — openable, syncable, and movable anywhere.
Prefer zero setup? The free Ariso cloud backend works out of the box. The choice — and the trade-off — is explicitly yours.
Under the hood, Oats is built with Tauri v2, Rust, and Vue 3, is code-signed and notarized by Apple, installs via Homebrew, and updates itself. Independent observers took notice quickly: Superpower Daily selected Oats as a daily tool on September 14, 2026, calling its local-first design “a credible privacy-conscious alternative for meeting capture, without requiring a bot in calls.”
Pricing
|
Plan |
Price |
Highlights |
|---|---|---|
|
Local backend |
Free forever |
Fully on-device, no account, no upload |
|
Ariso cloud backend |
Free |
Zero-setup hosted AI |
No seats, no trial timer, no paywall waiting at meeting six. The MIT license means you can inspect every line that touches your audio.
Strengths and Limitations
Strengths:
- 🔒 Genuinely private — a structural guarantee, not a privacy policy
- 🤖 No meeting bot; works with literally any audio source
- 📓 Obsidian-native notes fit existing knowledge workflows beautifully
- 💸 Free and open source, on both macOS and Windows
Limitations:
- ⚠️ On-device models mean summary quality below cloud LLMs on long or complex meetings (improving fast, but real)
- ⚠️ Young project — v0.23 at launch, so expect rough edges and moving features
- ⚠️ You manage your own storage and backups; there’s no cloud sync to rescue you
Oats vs. the Field
- vs. Otter.ai / Fireflies — Polished and cloud-heavy, with bots in your calls and per-minute pricing. Oats is the opposite philosophy.
- vs. Granola — Beloved UX, but cloud-bound. Oats is the pick when “confidential” isn’t a marketing word.
- vs. Meetingnotes (macOS, BYOK) — Also free and open source, but requires an OpenAI key; Oats runs fully offline.
Who Should Use Oats?
Oats is ideal for privacy-conscious professionals in back-to-back calls — consultants, lawyers, clinicians, journalists — plus Obsidian users and anyone who’s ever been burned by a notetaker’s terms of service changing. If a bot can’t be in the room, Oats should be on the machine.
Final Verdict
Oats makes local-first meeting notes feel finished rather than experimental. Free, MIT-licensed, cross-platform, and architecturally incapable of leaking what it never transmits — in a category dominated by cloud rent-seekers, that’s not just refreshing. It’s the point.
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Would you trust an on-device model with your meeting notes, or is cloud AI worth the trade? Weigh in below!