Download PenPaper AI

Sign in with the same email everywhere — your chats, reminders and dashboards follow you.

🌐

Web

Any browser, nothing to install.

Open web app

macOS

Apple silicon & Intel · macOS 11+. Open the .dmg and drag PenPaper into Applications.

Download for Mac · 25 MB

Windows

Windows 10 & 11, 64-bit. Run the installer — no admin rights needed.

Download for Windows · 12 MB

Android

Android 7+. Allow “install unknown apps” for your browser once.

Download for Android · 70 MB

iPhone

Add PenPaper to your Home Screen from Safari in two taps. App Store version coming soon.

Get it on iPhone

Installing

Mac

  1. Download and open PenPaper.dmg.
  2. Drag PenPaper into Applications.
  3. The first time: right-click PenPaper → Open → Open. After that it opens normally.

Windows

  1. Download and run PenPaper-Setup.exe.
  2. If SmartScreen appears: More info → Run anyway.
  3. Click Install. PenPaper lands in the Start menu and on your desktop.

iPhone

  1. Open app.penpaperai.com in Safari.
  2. Tap Share, then “Add to Home Screen”.
  3. Open PenPaper from your Home Screen and sign in with your email.

Android

  1. Download the .apk on your phone.
  2. Tap it and allow your browser to “install unknown apps” when asked.
  3. Open PenPaper AI and sign in with your email.

These are early builds, released straight from us rather than through the app stores — that’s why your computer asks once before opening them. The iPhone app is on its way to the App Store.