Updated February 2026
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Heptabase is a visual note-taking tool designed for learning and research, catering to students, researchers, and knowledge workers who need structured visual organization. Founded in 2021, it falls under the Knowledge Management category with a tagline emphasizing its visual approach. Capacities, also founded in 2021 in the same category, positions itself as a studio for your mind, ideal for creative thinkers, writers, and professionals seeking a flexible space for ideas and notes. Both tools support mobile apps and calendars, but target slightly different user needs: Heptabase for methodical visual learners, Capacities for intuitive mind mapping.
Heptabase and Capacities both offer file sharing, calendars, and mobile apps, but diverge in key features. Heptabase includes Kanban boards for task visualization, absent in Capacities, making it better for workflow management. Conversely, Capacities has an AI assistant for enhanced productivity, which Heptabase lacks. Integrations overlap with Readwise for both, but Heptabase adds Google Calendar, Obsidian export, PDF, and Markdown support, while Capacities integrates with Raycast, WhatsApp, Telegram, and Hookmark for broader communication ties. Neither provides Gantt charts, time tracking, or automation. Pricing-wise, Heptabase starts at $11.99 per month with no free tier, whereas Capacities offers a free plan and a paid tier from $10 per month, providing better entry-level access. Ratings show Capacities at 4.7, slightly edging Heptabase's 4.5, possibly due to its AI edge and free option. Overall, Heptabase suits visual project tracking, while Capacities excels in AI-assisted idea generation.
Choose Heptabase if you prioritize Kanban boards and integrations like Google Calendar or Obsidian for structured research workflows, especially at $11.99/month without a free tier. Opt for Capacities if you value an AI assistant, a free plan, and integrations with messaging apps like WhatsApp or Telegram, starting at $10/month for creative, AI-enhanced note-taking. The slight rating advantage for Capacities (4.7 vs. 4.5) may appeal to those seeking polished AI features.
| Feature | Heptabase | Capacities |
|---|---|---|
| Kanban Board | ||
| Gantt Chart | ||
| Time Tracking | ||
| File Sharing | ||
| Calendar View | ||
| Mobile App | ||
| Automation | ||
| AI Assistant |