Resources & Guides

Tips for getting the most out of private, offline AI transcription

Benchmark

Apple said macOS 27 improves speech accuracy. We measured the API.

We re-ran the Round 1 corpus on macOS 27. The API returns macOS 26’s transcripts byte for byte — and DictationTranscriber scores 4.3x worse than SpeechTranscriber.

6 min read • Benchmark
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Comparison

A Fathom Alternative for iPhone and Mac That Keeps Audio on Your Device

What Fathom does well, what its iOS app and bot-free mode change, and what you give up by moving to on-device transcription. Checked 10 Oct 2026.

6 min read • Fathom
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Comparison

A Voicenotes Alternative for iPhone That Keeps Transcription on the Device

What Voicenotes does well, where its listing and homepage say your words go, and what changes if you want transcription on your own phone. Checked 10 Oct 2026.

6 min read • Voicenotes
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Guide

Can Apple Notes Record and Transcribe Audio on iPhone? What It Does and Where It Stops

How to record with a live transcript in Notes, what Apple documents, and when a dedicated app makes sense.

6 min read • Apple Notes
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Comparison

A Notta Alternative for iPhone and Mac That Keeps Audio on Your Device

What Notta does well, what changes if you want transcription on your own device, and what you give up. Checked 10 Oct 2026.

6 min read • Notta
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Comparison

A Granola Alternative for Mac and iPhone That Keeps Your Recordings Private

What Granola does well, what changes if you want transcription on your own device, and who should stay put. Prices checked 10 Oct 2026.

6 min read • Granola
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Comparison

A MacWhisper Alternative for Mac and iPhone: Same Idea, Different Strengths

What MacWhisper does well, when to stay on it, and what changes if you want live transcripts and answers about what was said. Checked 10 Oct 2026.

6 min read • MacWhisper
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Comparison

A Plaud Alternative for iPhone: Record and Transcribe With the Phone You Have

What a Plaud recorder does well, where its audio goes, and what you give up by using your iPhone instead. Checked 10 Oct 2026.

6 min read • Plaud
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Guide

Transcribe a Zoom or Teams Meeting on Mac, No Bot Joins

Record a Zoom, Teams or Meet call from your Mac with no bot. Set up the two macOS permissions and check that both sides were captured.

5 min read • Guide
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Release

What's New in Lyonesse 2.0.4

Live translated captions, custom vocabulary, clean verbatim and Mac dictation. Audio stays on your device unless you opt in, and recovered recordings are kept.

3 min read • Release
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Guide

Meeting Minutes Template: Copy, Fill In, Keep Private

A one-page meeting minutes template, a filled-in example, and how to draft minutes from a recording without a bot or an upload.

5 min read • Meetings
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Professionals

Transcribe Client Sessions Without Uploading Them

Record therapy and legal client sessions privately on your device. No account, no cloud upload, no vendor. Everything runs locally.

8 min read • Privacy
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Privacy

On-Device AI vs Cloud AI: The Real Privacy Difference

How on-device AI differs from cloud AI on privacy and offline use, with measured accuracy numbers and an honest look at what local models can't do.

7 min read • Privacy
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Guide

AI Meeting Minutes App: Auto-Draft Minutes On-Device

Turn a recording into formatted meeting minutes on-device: decisions, action items to Reminders, follow-ups. No bot, no upload.

6 min read • Guide
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Benchmark

On-device speaker diarization, measured on real meetings

A benchmark of on-device speaker diarization: corpus-weighted DER for streaming and offline pipelines on real AMI meetings and synthetic conversations, with full protocol and downloadable data.

9 min read • Benchmark
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Privacy

Summarize a PDF Without Uploading It (Private, On-Device)

Summarize PDFs, contracts, and reports on-device in several styles, with nothing uploaded and no account required.

6 min read • Privacy
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Guide

Summarize Documents With Apple Intelligence On-Device

Summarize PDFs, Word files, and recordings on-device with Apple Intelligence, with an offline model fallback. Private, no upload, no account.

6 min read • Guide
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Guide

How to Transcribe a Podcast Offline on Mac & iPhone

Transcribe a podcast on-device: capture system audio on Mac or import the file on iPhone, then summarize and full-text search the episode.

6 min read • Guide
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Comparison

Private Alternative to ChatGPT: On-Device AI for Files

ChatGPT uploads your files to answer questions about them. Here is how on-device AI does the same work locally, offline, with the tradeoffs spelled out.

7 min read • Comparison
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For Students

Turn a PDF Into a Study Guide On-Device (No Upload)

Turn course PDFs and slides into a study guide on-device: summarize, pull key concepts, and ask the document questions, no upload. Step-by-step.

6 min read • For Students
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Research

Parakeet vs Apple's Speech API vs MOSS: Benchmark Round 2

The comparison everyone asked for: NVIDIA Parakeet and MOSS-Transcribe-Diarize on the same 5,559 utterances as round 1. Clean speech is now a three-way photo finish.

10 min read • Research
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Research

Apple's New Speech API vs Whisper: The First Real Benchmark

We measured SpeechAnalyzer against SFSpeechRecognizer and Whisper on 5,559 LibriSpeech utterances. Apple published no numbers. Here they are, rescorable.

9 min read • Research
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Privacy

Private AI Meeting Assistant: On-Device Notes & Minutes

A private AI meeting assistant: live captions, on-device speaker labels, action items, and AI-drafted minutes, all processed locally.

7 min read • Privacy
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Privacy

Private Document AI: Chat With PDFs & Docs On-Device

Private document AI that summarizes and answers questions across PDF, Word, Excel, PowerPoint, and images, all on-device and offline.

7 min read • Privacy
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Guide

Live Captions App for iPhone, iPad & Mac (On-Device)

A live captions app for iPhone, iPad, and Mac. Full-screen, high-contrast captions generated on-device that keep working offline.

6 min read • Guide
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Guide

Multilingual Transcription App: 15 Languages, Offline

Transcribe and summarize in 15 languages, all on-device. Private, offline, and no account required.

6 min read • Guide
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Guide

How to Transcribe a YouTube Video (Private, Offline)

Capture system audio on Mac or import the file on any device, then transcribe a YouTube video 100% on-device.

6 min read • Guide
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Guide

How to Transcribe a WhatsApp Voice Message on iPhone

Turn on WhatsApp's own transcript, or import a long voice message into Lyonesse for a saved transcript, a summary and search.

5 min read • Guide
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Guide

Can You Record a Lecture? Permission and Rules

Usually yes if you ask first. Who to ask, what to say, how consent laws and university policies differ, and what accommodations allow.

5 min read • Guide
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For Students

Lecture Recorder App for iPhone: Record, Transcribe, Study

Record a full class, read the live transcript, then get a summary and study sheet. Offline, no account, and when Voice Memos is enough.

6 min read • For Students
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For Students

Make Study Sheets From a Lecture Recording On-Device

Record or import a lecture, transcribe it on-device, and let Smart Drafting build a study sheet of the key concepts.

7 min read • For Students
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Guide

Apps That Use Apple Intelligence: What's Real Today

What apps using Apple Intelligence look like in practice, plus how an on-device AI workspace puts it to work.

8 min read • Guide
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Guide

Offline AI Assistant for iPhone: Private & On-Device

An AI assistant that works offline on iPhone: chat, summarize, and analyze documents on-device with no account and no cloud.

7 min read • Guide
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Comparison

Does Fireflies Work Offline? The Private Alternative

Fireflies needs the cloud, so it does not work offline. See how on-device transcription gives you private meeting notes with no internet.

5 min read • Comparison
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Guide

How to Record and Transcribe an In-Person Meeting on Your iPhone

Phone on the table, transcript on the phone. Setup, the consent step, and where the audio goes with each way of recording.

6 min read • Guide
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Guide

AI Meeting Notes Offline: Record, Transcribe, Privately

AI meeting notes that run offline: record, transcribe, label speakers, and extract action items on-device, with no uploads and no account.

6 min read • Guide
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Guide

Chat With a PDF Offline: Private On-Device Q&A on iPhone

Chat with a PDF offline and on-device. Ask questions, summarize, and pull figures from confidential files without uploading them anywhere.

6 min read • Guide
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Privacy

A Private Voice Recorder App That Transcribes Locally

A voice recorder that keeps audio on your device, transcribes it locally, and needs no account. What makes a recorder private and how to pick one.

6 min read • Privacy
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Guide

Transcribe Voice Memos on iPhone with Apple Intelligence

Apple Intelligence summarizes Voice Memos, but it has limits. Here is how to transcribe iPhone recordings privately and offline with Lyonesse.

6 min read • Guide
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Guide

What Is Lyonesse? Private On-Device Transcription App

Lyonesse is a private transcription app for Mac, iPhone, and iPad. Here is what it does, how the privacy model works, and who it fits.

6 min read • Guide
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Comparison

Free Local Whisper AI Transcription, Without the Terminal

OpenAI Whisper gives you free, local transcription but needs Python and the command line. Here's how to get the same on-device power on Mac & iPhone in a tap.

10 min read • Local AI
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Guide

7 Best Offline Transcription Apps for iPhone, iPad & Mac (2026)

The top apps that transcribe with no internet and keep your audio private — and which one adds AI summaries, action items, and Q&A on top.

8 min read • Best Apps
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Guide

Does Rev Work Offline? No — Here's What to Use Instead

Rev uploads every recording and charges by the minute. Learn the 2026 pricing and the best offline, unlimited alternative.

6 min read • Rev
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Guide

How to Export Your Otter.ai Transcripts (and Where to Keep Them)

Which formats Otter lets you export, which plans can bulk export, and how to move the files into an app that keeps them on your device.

6 min read • Otter.ai
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Guide

Does Otter.ai Work Offline? No — Here's What to Use Instead

Otter.ai requires internet for all transcription. Learn about the free plan limits in 2026 and discover the best offline transcription alternative.

6 min read • Otter.ai
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Guide

Apple Intelligence Transcription: What It Can & Can't Do in 2026

Can Apple Intelligence actually transcribe your meetings and lectures? Here's what Apple's built-in dictation does, where it falls short, and how to fill the gap.

9 min read • Apple
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Guide

How to Transcribe a Voice Memo on Your Mac

Read Apple's transcript, get the audio file out of Voice Memos, and import it into Lyonesse for speaker labels, summaries and Q&A, all on the Mac.

5 min read • Mac
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Guide

How to Transcribe an Audio or Video File on Your Mac

Drag an interview, podcast or video into Lyonesse and get a transcript made on your Mac, with speaker labels and search.

5 min read • Mac
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Guide

How to Transcribe Audio on iPhone for Free (No Internet Needed)

Step-by-step methods to turn voice memos, meetings, and imported audio files into text on your iPhone — free, offline, and without uploading anything.

6 min read • iPhone
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Guide

How to Transcribe an Interview Fast — Without Uploading to the Cloud

A private, offline workflow for journalists and researchers: from recording to searchable transcript with AI summaries, while protecting your sources.

7 min read • Interviews
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Privacy

Private Transcription Apps That Don't Upload to the Cloud (2026)

Most transcription apps upload your audio. Here's what to look for, which apps stay on-device, and which popular cloud tools to avoid if privacy matters.

7 min read • Privacy
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Healthcare

HIPAA and Transcription: On-Device vs Cloud

Cloud transcription sends patient audio (PHI) to a third party. Here's the lower-risk, on-device approach that keeps protected health information on your device.

7 min read • Healthcare
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For Students

How to Take Better Lecture Notes with AI Transcription

Proven strategies for recording lectures, organizing transcripts, and using AI summaries to ace your exams—all while keeping your study materials private.

8 min read • Study Tips
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