Cognitive OS
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Cognitive OS for Mac

Your chat, notes and memory in a window of their own — in the Dock, one click away.

Download for Mac ↓

Version 1.0.4 · 228 MB · October 4, 2026

For Apple silicon and Intel Macs · macOS 13 Ventura or later

Install

  1. Open the downloaded file.
  2. Drag Cognitive OS to Applications.
  3. Open it and sign in with your Cognitive OS account.

What you get

  • A window of its own, in the Dock and the menu bar, one click away.
  • Your whole Apple Notes library in one go: File → Import from Apple Notes…
  • A note from Notes in seconds: Share → Send Copy → Cognitive OS.
  • Speak instead of typing, with the Mac's microphone.
  • It updates itself: new versions download in the background and install when you restart it.

Update history

All releases →
  1. All platforms

    Notes settings in one place, section titles that stay in view

    • Settings → Features has a «Notes» section: the editing mode as three options, and separate switches for note links, tags and «Made from» under a note (switching one off only hides it).
    • In All notes the section titles are larger and stay at the top while you scroll; on a phone the line above them shows where you are.
    • On a phone the icons under messages are back, the paperclip opens a small menu that stays with the message field, and a sheet's second step has a round back button.
    • On a phone the «i» pictures in Settings show the phone's own screens.
  2. All platforms

    Your default editing mode, and Notes by keyboard

    • Settings → Features: choose the mode a note opens in for editing — Classic, Notion or Markdown. The Markdown switch is gone; Markdown is simply one of the three.
    • A voice message being turned into text now shows the same moving waves as the message field.
    • All notes grouped by folder follow your folders' order, with subfolders named by their path.
    • On a computer, in Notes: ← takes you to the folders, ↑ ↓ move between them, Enter opens one, → brings you back to the notes. Reading a note, ⇧← returns to the list. The «⋯» beside the list's title now looks like the others.
    • In the iPhone app the paperclip opens its own sheet — Photo Library, Take Photo, Choose Files — that stays with the keyboard; the system menu no longer hangs in the middle of the screen. With the new app version the library, camera and Files open directly.
    • The Graph page is more compact: no line under the title, and on a computer the Atoms / Notes switch stands beside it. In the phone's top bar the Graph's name now appears together with the others.
  3. All platforms

    The file menu stays with its field, and the Graph is in the phone's header

    • On a phone with the keyboard up, the paperclip's menu (photo library, camera, files) no longer hangs alone in the middle of the screen: the message field stays where it was under the menu, and the keyboard comes back to it when you close the menu or pick a photo.
    • The Graph is now in the phone's top bar, beside the chat, threads, topics and notes.
    • The Graph zooms in much further, so a dense knot of related things can be pulled apart.

Earlier builds

  • Version 1.0.3 · 228 MB · October 3, 2026Download
  • Version 1.0.2 · 228 MB · October 2, 2026Download

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