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Heptabase is built for making sense of complex topics with visual whiteboards, reusable cards and PDF annotations. That focus can be a poor fit if you want relational databases or a lower bill: one Reddit commenter said $12 a month was beyond their budget, while our listing shows Heptabase from $8.99. We’d compare it with these seven alternatives based on how you organize knowledge, what you’ll pay and which limits matter before moving your notes.
01Why people leave Heptabase
The price exceeds your budget
One Reddit commenter said $12 per month was unaffordable. Heptabase is listed here from $8.99, so check the current price and your billing terms before switching.
You need relational databases
An early adopter said they returned to Notion for relational databases, multiple views and button automations. Heptabase’s stated focus is visual work on complex topics.
You want a broader workspace
Heptabase’s co-founder said the team prioritizes features that help with complex topics. If you need a different kind of notes or planning workflow, that focus may not fit.
02The alternatives, ranked by fit
- Local Markdown notes
ObsidianObsidianChoose Obsidian if you want a personal knowledge base built around local Markdown files rather than Heptabase’s visual whiteboards. It is listed as a fit for research and connected notes, with a free plan and a starting price of $4. The switch makes sense if keeping notes in Markdown matters more than a visual-first workspace.
Trade-off: Synced convenience is a separate subscription.
8.0/10from
$4/mofree plan - Visual connected knowledge
TheBrainTheBrainTheBrain is the closest listed fit if you want to keep organizing connected ideas visually. It is also positioned for people managing files and research, with team sharing available. A free plan is listed, with pricing from $15; consider it when visual knowledge work matters more than finding the cheapest sync option.
Trade-off: It is not positioned as the cheapest sync or easiest export.
7.3/10from
$15/mofree plan - Notes and visual planning
AFFiNEAFFiNEAFFiNE is worth comparing if you want notes and visual planning in one workspace, rather than a tool centered on complex-topic research. It is listed for small teams needing shared workspaces, with a free plan and pricing from $6.75. Check its software licenses before choosing it, especially if open-source terms matter to you.
Trade-off: Its FOSS credentials need careful checking.
7.0/10from
$6.75/mofree plan - Linked notecards
SupernotesSupernotesSupernotes suits people who prefer linked, shareable notecards to Heptabase’s whiteboards and larger research cards. It offers a free starting tier and is listed for teams sharing and editing cards. That can be a simpler way to work with linked ideas, but the free tier’s 100-card limit is a real constraint.
Trade-off: The free plan is capped at 100 cards.
6.8/10from
Freefree plan - Visual project planning
xTilesxTilesxTiles is a fit if your visual boards are more about daily or project planning than building a research knowledge base. Its listing highlights ready-made templates and shared AI workspaces for teams. It has a free plan and starts at $12.42, so it may not solve a price problem.
Trade-off: The listed starting price is $12.42, and its note-app pricing is not clearly explained.
6.2/10from
$12.42/mofree plan - Open-source Markdown
JoplinJoplinJoplin is a practical comparison if you want an open-source notes app with Markdown customization and syncing across devices. It is listed from $2.40, making it a lower-priced option on the stated starting prices. Before moving a large archive, check the Basic plan’s 2 GB cap.
Trade-off: The Basic plan has a 2 GB cap.
7.8/10from
€2.40/mo - Nested lists and tasks
WorkFlowyWorkFlowyWorkFlowy fits if you organize ideas as nested lists and want notes and tasks in one place, rather than arranging research cards on whiteboards. It has a free plan and starts at $6.99. The free tier’s 100-node limit means regular use can turn into a paid decision.
Trade-off: The free tier is limited to 100 nodes.
7.3/10from
$6.99/mofree plan
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
 Heptabase Heptabase (current) | 7.6 | $8.99/mo | No | Researchers organizing complex topics |
| Obsidian Obsidian | 8.0 | $4/mo | Yes | People who want local Markdown files |
| TheBrain TheBrain | 7.3 | $15/mo | Yes | Visual thinkers organizing connected ideas |
| AFFiNE AFFiNE | 7.0 | $6.75/mo | Yes | People combining notes and visual planning |
| Supernotes Supernotes | 6.8 | Free | Yes | People who think in linked notes |
| xTiles xTiles | 6.2 | $12.42/mo | Yes | Visual daily and project planning |
| Joplin Joplin | 7.8 | €2.40/mo | No | People who want an open-source notes app |
| WorkFlowy WorkFlowy | 7.3 | $6.99/mo | Yes | People who think in nested lists |
Questions people ask
Which Heptabase alternative is most visual?
TheBrain is listed for visual thinkers organizing connected ideas, while AFFiNE combines notes with visual planning and xTiles focuses on visual daily and project planning. The closest fit depends on whether you want connected knowledge, a shared workspace or planning boards.
Can I switch from Heptabase to a free alternative?
Several options have a free plan, including Obsidian, TheBrain, AFFiNE, Supernotes, xTiles and WorkFlowy. But free does not mean unlimited: Supernotes lists a 100-card cap, and WorkFlowy lists a 100-node free tier. Check the limits against your actual notes and workflow.
Which alternative supports PDF annotation?
Heptabase’s provided product description includes PDF highlights and annotations. The information available for these alternatives does not confirm whether they support the same workflow. If PDF annotation is essential, verify that feature with the alternative’s current documentation before moving your research.