Get Prism

Prism runs on iPhone, Android, Mac and Windows. One account and one subscription on every device.

On your computer

Linux support is on the roadmap. Need it sooner? Email support.

Open the Prism desktop app from your Applications folder or Start menu.
Sign in with the same account you use everywhere else.
Choose where your vault lives on disk. It’s a folder of plain Markdown files, protected by your computer account, and we keep no readable copy of it. What you send in chat goes to our servers to generate a reply.
Start your Foundation conversation.

macOS 11 or later, or Windows 10 or later.

Prism is currently offered in the United States only. See our Terms of Service for details.

Available in the United States. See our Terms of Service.

iPhone with iOS 17 or later, or Android 8.0 or later. Your vault is encrypted on the phone.