From lecture to study notes, automatically

Every lecture becomes notes you can actually study.

Sit in class and soak it in. LectureSync captures every word and turns it into a clean, exam-ready summary, sorted by class. No frantic typing, no notebook full of half-sentences you'll never reread.

On the Mac App Store · Runs offline · Nothing uploaded

Record
Mic, screen, or a file
Write it down
Every word, captured
Sum it up
Clean study notes
Save
Sorted by class

Record the class. Get the study kit.

Record class, get back clean notes, and find them sorted and waiting for you. No more piecing together what you missed or borrowing someone else's blurry photos.

Record any class

In person? Use your mic. Online lecture, recorded talk, or a Zoom call? Capture the audio straight from your Mac. Either way, it's one click.

Runs right on your Mac

Everything can happen on your laptop: no internet needed, and nothing gets uploaded anywhere. Great for spotty campus Wi-Fi, or lectures you'd rather keep to yourself.

No AI subscription needed

Your Mac can do all the transcribing and note-writing itself, at no extra cost. Or connect an AI service you already use (like OpenAI) for an extra boost. Totally up to you.

Real study notes

Your lecture comes back as a clean summary with the key points pulled out: the stuff you'll actually review before the exam, not a wall of text.

Sorted by class

Every lecture is saved into its own folder for each class, so your notes stay organized all semester without you lifting a finger.

Math & science ready

Equations come out properly formatted, so your calc, chem, and physics notes are actually readable instead of a mess of symbols.

LectureSync recording a lecture in progress, showing the course list, a running timer, live audio waveform, and a Stop button.

Recording a live lecture from your mic or screen audio, with a running timer.

Hit record. Then just listen.

Sitting in a lecture hall? Use your mic. Watching a class online? Grab the audio right off your screen. Then put your phone down and just listen. Even a three-hour seminar is no problem.

  • Record your mic or audio from your screen
  • Handles even the longest lectures
  • Nothing extra to install

Didn't hit record? Drop it in.

Last week's Zoom recording, a lecture video, a podcast, even a rough transcript: drag it onto LectureSync and get the same clean notes. Recorded the class on your iPhone or iPad? Drag the memo out of Voice Memos and the audio and its transcript come along together.

🎙️ Voice Memos 🎧 Audio files 🎬 Video 📄 Transcripts 🖱️ Drag & drop
LectureSync's drag-and-drop import: a 'Drop to add' target for audio, video, or a transcript covering the course's lecture list, with a finished lecture's notes open beside it.

Drag a file straight onto your class, or use the Import button.

A generated LectureSync study note for a physics lecture, with a lecture overview, key concepts, and equations rendered cleanly.

Real notes from a real lecture: a summary, the key points, and the full transcript.

Stop recording. Get your notes.

The moment class ends, LectureSync writes down everything that was said and turns it into a tidy summary with the key points front and center. You also get the full word-for-word transcript, in case you want to go back and check something.

  • A short summary plus the full transcript
  • Tell it how you like your notes written
  • Math and science formatting built in
The same LectureSync study note open inside an Obsidian vault, filed under semester and course folders in the sidebar with headings, key concepts, and equations rendered.

Your finished note, saved in Obsidian and sorted by class.

Saved right where you study.

Your notes don't get stuck inside some app you'll forget about. They save into Obsidian (a free, super-popular notes app) as simple files, sorted into a folder for each class. Search them, highlight them, and study however works for you.

  • Saved as simple files you can always open
  • Automatically sorted into a folder per class
  • Yours to keep, no subscription to read them
Private by design

No cloud. No account. Nothing leaves your Mac.

Your lectures aren't training data for some AI company. We don't run servers, we never see your recordings or notes, and there's no account, no ads, and nothing sold. Turn on your Mac's built-in option and everything stays on your laptop. Prefer an outside AI service? Only then does anything leave your Mac, and only to the one you picked.

No account to create · No trackers or ads in the app · Runs entirely on your Mac

LectureSync's recording settings with an on-device transcription option selected and the label 'Audio never leaves your Mac'.

Turn on your Mac's built-in option and nothing ever leaves your laptop.

The AI is free. It's already on your Mac.

Your Mac handles everything on its own, or connect an AI service you already use. Then tell LectureSync exactly how you want your notes to read.

Already run your own local AI like Ollama, LM Studio, or oMLX? Point LectureSync at it and everything still stays on your Mac. See our recommended models →

Set it up once, then just hit record.

A couple of minutes of one-time setup, then every class is just the record button.

1

Choose how it works

Let your Mac handle everything for free, or connect an AI service you already have. Your call.

2

Pick where notes go

Point it at your Obsidian folder once. After that, every class gets its own folder automatically.

3

Make it yours

Turn the summary on and tell it how you like your notes: short and punchy, or detailed and thorough.

4

Record & study

Hit record in class. Stop when it's over. Your notes are waiting for you in Obsidian.

Be the one everyone asks for the notes.

LectureSync is on the Mac App Store. Show up, hit record, and walk into the exam already locked in.

$9.99 on the Mac App Store, and it runs entirely on your Mac. Questions? info@lecturesync.app