Cairn · Office #59,132

What it is

Calls itself “ebooks”.

• Calls itself: ebooks

“Turn your ebooks into slides you can read and listen to”

What it costs

A free tier, free forever.

• Free plan: free forever

“Cairn is free and open source.”

Who it sells to

Sells to consumers.

• Sells to: consumers

“Turn your ebooks into slides you can read and listen to”

How it runs

A desktop app and mobile app for iOS and macOS. Runs locally and works offline. Distributed through the App Store. Offers an API. Open source. AI is the core of the product. You can bring your own API key.

• Kind: desktop · mobile
• Runs on: iOS · macOS
• Runs where: on the device, offline
• Distributed via: App Store
• API: yes
• Open source: yes
• AI role: core to the product
• Bring your own key: yes

“Generate on Mac, then sync through iCloud to keep reading on iPhone.”

“The iPhone app includes The Art of War to try without an API key.”

What it works with

Integrates with electrobun. Built on Bun.

• Integrates with: electrobun
• Built on: Bun

“Requires Bun 1.3 or later.”

“Cairn is free and open source.”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

• Trial asks for: nothing

“On an Apple Silicon Mac, install it with Homebrew : brew install --cask jiehaoZ/tap/cairn”

“Cairn is free and open source.”