Everything you're studying, in one quiet place.

PDFs, lectures, whole books — turned into material you can search, question, and write from. On your Mac, as your own files.

Get Sanctum for Mac$34.99 · onceTry it in your browser

On your phone? Sanctum is a Mac app — search Sanctum on the Mac App Store when you’re back at your Mac.

An aesthetic workspace for research and writing.

Sanctum on macOS
BRING IT IN

Bring your source material into one place.

A 400-page scan. A three-hour lecture. An article. It arrives as clean text you can search, question, and edit.

  • Chapters found — a book arrives as a book, not a wall
  • Scans read on-device — nothing is ever uploaded
  • Lectures become transcripts — whole, however long
The Research Vault
Writing in Sanctum
MAKE SOMETHING

Turn your research into real writing.

A real editor at the end of it — so what you took in becomes something you made.

  • Footnotes & citations — a bibliography that builds itself
  • Compile — many pages, one manuscript, in order
  • A finished PDF — ready to hand to someone
MAKE SENSE OF IT

See how your ideas connect.

Your library as a living sky — and the connection you'd forgotten is simply there, visible.

IT SOUNDS LIKE SOMETHING

Every key has a voice.

Real keyboards, sampled and tuned by ear — not synthesized beeps. Pick a voice, then type.

Every key has its own sample, its own pitch, and its own place in the stereo field. Type anything.
And the room itself — stack them
THE SCRIPTORIUM

It doesn't arrive empty.

A shelf of writing made for Sanctum — histories, homilies, campaigns — each one a click from being a page you own.

Philip II
Aetius
Skanderbeg
PRIVATE BY DESIGN

Nothing leaves your Mac unless you send it.

PDFs, scans, and screenshots are read on-device. There's no account and no telemetry — your notes have nowhere to go. Ember reads only what you hand it, when you ask.

ONE PURCHASE. YOURS.
$34.99 lifetime
Introductory price.
No account. No server. No subscription.
Plain Markdown filesNo sign-upAI includedMac-native
Get Sanctum for Mac$34.99 · once