Knowledge Management  ·  Updated Feb 2026

Capacities

A studio for your mind.

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Detail Value
Starting Price Free tier available · from $10.00/mo
Pricing Model per month
Category Knowledge Management
Founded 2021
Integrations
Readwise Raycast WhatsApp Telegram Hookmark

About Capacities

Capacities is an object-based personal knowledge management (PKM) studio engineered for high-density information synthesis. Moving beyond the constraints of traditional folder-based systems, it utilizes a 'Studio' architecture where every entry is a structured object—such as a Person, Book, or Project—within a centralized knowledge graph. In 2026, the platform has matured into an offline-first environment featuring the 'Search 2.0' engine, which provides lightning-fast exact matching and multi-language support across logographic scripts. The system’s technical backbone prioritizes a rigid metadata schema over the fluid outliner style of rivals like Tana, ensuring long-term data integrity and retrieval. With deep integrations into the 2026 mobile ecosystem via Raycast and WhatsApp, Capacities functions as a sophisticated digital brain for researchers who require a structured, aesthetic, and interconnected workspace for deep thinking without the overhead of enterprise project management tools.

Pros & Cons

Pros

  • Object-based architecture provides automatic, semantic organization without manual filing or tagging.
  • Search 2.0 (Jan 2026) offers sub-second exact matching and a new /lookup API endpoint for developers.
  • Contextualized Task Management treats actions as first-class objects linked directly to relevant notes.
  • Full offline synchronization ensures data accessibility across the 2026 desktop and mobile app suite.

Cons

  • No native team collaboration features or shared organizational workspaces as of early 2026.
  • Lacks end-to-end encryption (E2EE), meaning data is accessible to the provider for processing AI features.
  • No support for local-first markdown file storage; users are locked into a proprietary database format.

Expert Verdict

"Capacities is a 'Buy' for high-level researchers and knowledge workers who find Notion too cluttered and Tana too complex. Its 2026 transition to an offline-first architecture makes it a superior choice for performance-sensitive users. However, skip it if your workflow requires multi-user collaboration or end-to-end encryption (E2EE); as of 2026, it remains a strictly 'single-player' environment. Its primary rivals are Heptabase for visual learners and Anytype for those demanding local-only encryption."

— AppSage Editorial Team

Frequently Asked Questions

Does Capacities 2026 finally support a full offline-first experience?
Yes. Capacities is now fully offline-first, meaning your entire object database is cached locally. You can create and edit notes without an internet connection; however, advanced 'Search 2.0' queries and the AI Assistant still require a server connection for processing.
What are the pricing 'gotchas' for the 2026 Pro and Believer tiers?
The Pro tier is $12/month, but it is strictly single-user. There are no 'view-only' seats for teams; you must either publish a public web link or export your data. The Believer tier ($13+/month) is required for early access to experimental features like 'Object Inheritance' and 'Multi-Pinned Sidebar Sections'.
Can I use local LLMs with Capacities AI to maintain privacy?
Not natively. In 2026, Capacities AI Assistant remains cloud-dependent to power its context-aware property auto-fill features. For users demanding local AI, manual integration via the new 2026 'POST /lookup' API is the only current workaround.
How does Capacities handle scalability with 50,000+ objects?
With the 2026 'Search 2.0' update, the previous lag in the 'Object Dashboard' was resolved. The system now utilizes local indexing for title lookups, making it significantly more responsive than cloud-heavy competitors like Notion when handling massive knowledge bases.
Is there a limit on custom Object Type definitions in the Pro tier?
While the Free tier is restricted to a set of default types, the 2026 Pro tier offers unlimited custom Object Type definitions. This allows users to build highly specific schemas for niche data, such as 'Lab Protocols' or 'Legal Precedents,' with unique metadata fields.

Compare Capacities with...

Capacities vs Anytype Capacities vs Heptabase Capacities vs Slite