Comparison

Capacities vs Obsidian

Capacities: A note app that organizes ideas as connected objects with types, rather than files and folders. Obsidian: Local-first notes in a folder of Markdown files, with optional paid sync and publishing.

CapacitiesObsidian
PriceFree plan, Pro $9.99 per monthFree for personal use
Free optionBasic is free forever: unlimited spaces, objects and blocks, sync, offline support, import and export, 5 GB media uploads in total then 100 MB per monthFree without limits for personal use, no sign-up required
LicenseProprietaryProprietary, free for personal use
PlatformsMac, Windows, Linux, iOS, AndroidWindows, macOS, Linux, iOS, Android
Notes stored asSynced to the vendor cloud, hosted in EU data centers, with offline supportPlain Markdown files on your device

Choose Capacities if

  • you think in people, topics and projects and want typed, linked objects
  • you want a free plan with sync and offline access
  • you do not need your notes as files on disk

Strengths

  • Object types and links let you model people, books, meetings and projects as structured notes
  • Free plan keeps sync, offline use and export
  • Apps for desktop and mobile, including Linux
  • Independent company, the vendor says it has no venture funding

Limits

  • Proprietary and stored in the vendor cloud, not as a folder of Markdown files
  • AI, tasks, smart queries and the API need a paid plan
  • Capacities describes export as standard formats without naming Markdown on its pricing page

Pricing details

  • Pro: $9.99 per month (USD), adds AI assistant, task management, smart queries, calendar integration, version history and Public API
  • Believer: from $12.49 per month (USD), everything in Pro plus beta access to major new features
  • Plus add-on for a larger AI budget: $8.33 per month billed annually
  • The pricing page has a yearly billing toggle with a stated 16 percent discount. Prices checked 2026-10-25 and may differ at checkout
Capacities pricing page ↗

Choose Obsidian if

  • you want your notes to stay as plain Markdown files you control
  • you like extending your editor with community plugins
  • you work alone or share notes by file rather than by live workspace

Strengths

  • Your notes are ordinary Markdown files in a folder, so any other editor can open them
  • Large plugin and theme ecosystem
  • Backlinks and graph view for linked notes
  • End-to-end encrypted sync (AES-256) if you pay for it

Limits

  • The app itself is not open source
  • Sync and Publish are paid add-ons
  • No real-time multi-user editing like a shared workspace tool

Pricing details

  • Sync: $4 per user per month billed annually, or $5 billed monthly
  • Publish: $8 per site per month billed annually, or $10 billed monthly
  • Commercial license: $50 per user per year, optional (the vendor says commercial use does not require it)
  • Catalyst: $25 one-time optional license
Obsidian pricing page ↗
Capacities from https://capacities.io/

Capacities

A note app that organizes ideas as connected objects with types, rather than files and folders.

  • Price: Free plan, Pro $9.99 per month
  • Platforms: Mac, Windows, Linux, iOS, Android
  • Storage: Synced to the vendor cloud, hosted in EU data centers, with offline support
Official site ↗ · prices checked 2026-10-25
Obsidian from https://obsidian.md/

Obsidian

Local-first notes in a folder of Markdown files, with optional paid sync and publishing.

  • Price: Free for personal use
  • Platforms: Windows, macOS, Linux, iOS, Android
  • Storage: Plain Markdown files on your device
Official site ↗ · prices checked 2026-10-18

Details come from each vendor's own website and were checked on 2026-10-25. Confirm current prices on the vendor page.