Capacities
Object-based knowledge studio with backlinks and an AI assistant on paid plans.
- Based on official vendor pages, quoted and linked below
- Product page checked: 2026-10-27
- Pricing checked: 2026-10-27
- Catalogue as of 2026-10-27
Plans & pricing
Checked 2026-10-27. Confirm prices and terms with the vendor before buying.
Basic
Free
Vendor states the core product 'is and will remain free'; unlimited spaces/objects/blocks, sync, full-text search, offline, media up to 5GB then 100MB/month.
Pro
$9.99/month (monthly-billed shown)
Adds AI assistant, whiteboards, task management, smart queries, calendar integration, image/PDF/weblink analysis, Readwise/Kindle, version history, AI Chat Connectors, public API, unlimited media.
Believer
from $12.49/month
Pro plus beta access and supporting the team.
Plus AI Power-Up
$8.33/month billed annually
Add-on for Pro/Believer: larger monthly AI budget; top-ups require Plus. Base Pro/Believer include only a light monthly AI budget.
Free usage: Usage renews; limits apply.
Usage, billing & important limits
- AI cost model nuance for the costing work: Pro includes only a light monthly AI budget; regular AI use needs the Plus power-up add-on - a second charge on top of the subscription, easy to understate in comparisons.
- The public API requires Pro.
More plan details
- Capacities Basic: "is and will remain free" (vendor wording).
- Student promo: 40% off annual Pro ('Back to School Season'), no end date displayed.
Pricing source & billing notes
Prices reflect the source and date shown, not a checkout quote. Regional prices, tax and extra usage may change your total.
Annual billing: Yearly billing -16% vs monthly (per pricing page toggle).
Task tags
Task tags are taxonomy labels, not a checked or tested feature list.
Features stated by the vendor
- Objects: “In Capacities, everything you care about becomes an object. A person. A book you're reading. A project you're working on.”
- Related content: “Capacities scans your notes and surfaces places you wrote about something but never linked.”
- AI assistant: “AI assistant (listed as a Pro plan feature)”
The vendor's own wording, quoted from official pages (see Sources). Read the linked vendor pages for the full feature conditions.
At a glance
- Sign-in
- Yes
- Platforms
- Web iOS Android macOS Windows Linux
- API available
- Yes
- Information based on
- Official vendor pages
Sources
Product page checked: 2026-10-27. Features above are vendor statements, not a performance rating.
Workflows that use Capacities
- Check a pension statement for missing contributions
- Prepare a note-taking template for a video course
- Plan a beginner woodworking project from a supplied design
- Prepare questions to ask a tutor before the next session
- Prepare a cheat sheet of formulas with their conditions
Used in 5 workflows. Browse the workflow library.