TheBrain: Smart Notes & Links

iOS Universel / Productivité

YOUR DIGITAL MEMORY. VISUALIZED.

TheBrain is the unique knowledge app that helps you capture everything — ideas, notes, web pages, files, photos — and connect it all the way you naturally think. Stop hunting through folders, tabs, and search bars. Start seeing your knowledge as a living network you can navigate with a tap.

Described by the Wall Street Journal as "Software that thinks like you do" and MacLife as "the most compelling mind mapping adaptation we've encountered." Winner of KMWorld's Trendsetting Products award.

WHY THEBRAIN?

Traditional notes apps trap your ideas in folders, tags, or endless lists. TheBrain lets every piece of information connect to anything else — so the right idea finds you the moment you need it. It's note-taking, mind mapping, file management, and AI rolled into one beautiful experience that works the same on every device.

KEY FEATURES

CEREBRO — TALK TO YOUR BRAIN WITH AI
Our built-in agentic AI assistant. Ask Cerebro anything — and let it create new thoughts and notes, surface exactly what you need, summarize long documents, suggest meaningful links, or just have a conversation about what you know. It can do anything you can do — only faster.

DYNAMIC THOUGHT NETWORK
Move beyond conventional mind maps and folders. TheBrain's animated visualization shows your ideas, their context, and the relationships between them — at any scale. Tap a thought, and the entire network reorganizes around it.

NETWORKED NOTES
Rich notes shown in context with automatic backlinks and concept discovery. Hybrid WYSIWYG + Markdown writing, powerful tables, resizable images, math, and folding — all the modern editor essentials.

EVERYTHING IN ONE PLACE
Attach web pages, PDFs, photos, and documents to any thought. Link people, projects, files, and ideas in a single living workspace.

POWERFUL SEARCH
Find any note, file, web page, or idea in seconds. Every match appears in the context of your thought network, so you instantly see how it relates to everything else you know.

SEAMLESS SYNC ACROSS DEVICES
Your brain is always with you. Mobile, Mac, Windows, Linux, and web stay in sync — even with large brains. Smart Sync downloads attachments on demand, keeping your brain fast and lightweight on every device.

INFINITE SCALE
Effortlessly handles hundreds of thousands of items and many gigabytes of data — without slowing down.

COLLABORATE AND SHARE
Publish your brain online for the world, or sync thoughts privately with your team. Great for shared knowledge bases, project planning, and team research.

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WAYS TO USE THEBRAIN

• Build your second brain — a living reflection of how you think, ready when you need it.
• Manage everything in your life: projects, people, goals, files, and ideas in one place.
• Capture interesting articles, videos, and references so they're activated when you need them.
• Organize trips, travel, and major life events with all the right context at hand.
• Power your research — go deeper on any concept and see how it connects to everything else.
• Turn goals into action by linking them with the resources needed to achieve them.
• Build a knowledge base that sparks new ideas and breakthroughs.
• Link people, projects, and information for a smarter view of your business.
• Create topic brains around your passions, hobbies, and special interests.
• Plan personal projects like home renovations, weddings, or major purchases.

GET STARTED IN MINUTES

Start with a single thought — your name, a project, an idea you want to explore. Add a few connections. Within minutes you'll understand why people have trusted TheBrain for over two decades.

For the best experience, install TheBrain on your phone, tablet, and computer. Our iPhone, iPad, Mac, Windows, and other mobile clients all sync seamlessly — your best thinking is always with you.

Quoi de neuf dans la dernière version ?

• Increased capabilities of the free plan
• Better search
• Redesigned brain theme chooser
• Two finder drag to reposition plex
• Pinch to resize plex text
• Content area icon indicates when a thought has any notes or attachments