What is Capacities?
Capacities describes itself as a studio for your mind, built first and foremost for individuals rather than large teams. It is a note taking and personal knowledge management app that treats everything you capture as a rich object instead of a flat page, which makes organising and connecting ideas feel far more natural.
An object based home for your ideas
Instead of giving you endless blank pages, Capacities encourages you to work with objects such as notes, people, books, meetings, images, and more. Each object can have its own properties and relationships, which means your knowledge base gradually turns into a living network of ideas that is easy to traverse and enjoyable to explore.
Daily notes sit at the heart of this experience and act as the go to place for new content. You can drop links, images, and quick thoughts into your daily note without worrying where everything should live, then rely on tags and links later to give it structure without friction.
Designed for personal knowledge management
Capacities is built with PKM in mind so it supports popular strategies such as Zettelkasten and other networked thinking approaches. You can use dedicated notes areas on each object to reflect on what you are storing, why it matters, and what you have learned, which helps information stick and makes reviews genuinely valuable.
A powerful search makes it easy to resurface specific details when you need them, reducing the time you spend hunting through old documents or browser histories. Review sessions become simple too, because you can scroll back through daily notes to see a chronological overview of what you have created on any given day or week.
Thoughtful AI features that stay out of your way
Capacities includes an integrated AI assistant on its paid plans that is designed to enhance your workflow rather than replace your thinking. The team themselves use it heavily for development, writing, and concept exploration, relying on it to critique arguments, improve phrasing, and highlight gaps in reasoning.
Inside your workspace, AI tagging and automatic property filling help connect new content to existing objects which removes a surprising amount of mental load. Instead of manually maintaining elaborate systems, you can let the assistant propose tags and relationships then focus your energy on higher level thinking.
Cross platform, modern, and pleasant to use
Capacities is a desktop first application with a strong focus on a clean, fast interface that feels good to work in for long stretches of time. There is also a mobile app for iOS and Android that acts as a companion when you are on the go, so you can access notes, capture photos, and send content from other apps straight into your space.
On mobile you get daily notes, quick capture, a share sheet, and the same powerful search, which means your PKM system is always in your pocket when an idea strikes. Reviewers consistently praise the overall experience, often preferring it to more established tools thanks to its balance of structure, flexibility, and a beautifully considered design.
Pricing and who it is for
Capacities offers a generous free plan with unlimited notes and objects, 5 GB of media storage, offline access, and all core features. If you need more, the Pro plan unlocks unlimited uploads, the AI assistant, task and calendar integrations, web highlights, unlinked mentions, and a public API amongst other advanced capabilities.
For dedicated users there is also a higher tier that provides early access to new features. While some reviewers note that the paid plans sit at the premium end of the market, many knowledge workers, students, and creators feel the price is justified by the unique object based model and the sense of calm it brings to their digital lives.
Capacities compared with other tools
Here is how Capacities typically stacks up against some familiar names noted in community reviews.
| Tool | Core idea | Where Capacities stands out |
|---|---|---|
| Capacities | Object based PKM with AI and daily notes capacities+1 | Rich object types, AI tagging, studio like feel for individuals capacities+1 |
| Notion | Flexible workspaces and databases | Less team overhead, more personal and reflective environment |
| Obsidian | Markdown vault with linked notes | Visual objects and properties instead of only plain text files capacities+1 |
| Roam / Logseq | Networked thought graphs | Friendlier interface and more approachable structure for newcomers |
If you want a personal thinking space that treats your ideas as first class citizens, helps you connect them intelligently, and supports you with thoughtful AI, Capacities is well worth trying.
Cheers.