Markdown Editor & AI Notes

Memex is a free notebook for your Markdown notes, on an infinite canvas. Arrange and connect your notes as live, readable cards, write around them with Apple Pencil, and add AI only when you want it. ON THE CANVAS - Markdown notes come in as live cards you can edit - Columns, sections and an outline keep big canvases in order - Draw arrows and add text, code, tables, diagrams and images - Handwrite and sketch with Apple Pencil - On iOS 27, search finds handwriting as well as typed notes - Push cards to another canvas as your thinking changes - Type @ to link to your library, or @here to link the spot you are on YOUR OBSIDIAN VAULT - Copy your vault folder in - [[Wikilinks]], ![[embeds]], frontmatter and comments - Open Obsidian canvases, with the originals kept - Memex is not affiliated with Obsidian OPTIONAL AI - Add a card or image to the chat and ask about it - Put a reply on your canvas as a card - Select typed text, or handwriting on iOS 27, and make an image - Generated images are saved in your library YOUR FILES STAY YOURS - Canvases are plain files in iCloud Drive or on your device - No Memex account or sign-up - AI chat messages and selected context go to OpenAI; image-generation prompts go to Black Forest Labs. Both go through OpenRouter and our proxy, which stores and logs none of your content - Memex asks for consent before sending an AI request BUILT FOR IPAD AND APPLE PENCIL Memex is designed for iPad first. It also runs on iPhone and Mac. FREE NOTEBOOK, OPTIONAL AI Import, create, edit and organize notes and canvases, write with Apple Pencil and sync through iCloud for free. Your notebook remains fully usable after an AI subscription ends. Try AI chat with 5 free messages per install. Memex AI costs $4.99/month or $49.99/year, with a 7-day free trial for eligible new subscribers. Both plans include 300 credits each paid month: a chat message uses 1 credit and an image uses 20. Paid credits refresh each month from when your paid subscription starts, including on the annual plan, and do not roll over. The 7-day trial includes 50 credits total. Or buy 200 AI credits for $3.99, with no subscription required. Purchased credits never expire and are used after any monthly credits. They remain usable if you cancel your subscription. Prices shown are in US dollars; the App Store shows your local price. Subscriptions renew automatically until cancelled in your Apple Account settings. Credit packs are one-time purchases. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/