Obsidian is Sean's recommendation for most people reading this comparison. Score: 8.7/10. Free, local-first, no subscription. Own your knowledge base.
Notion (8.5/10) is the right choice for a specific situation: docs + wiki + pm in one tool. If that describes you, the full review has the complete math.
Frequently Asked Questions
Which is better: Notion or Obsidian?
Obsidian (8.7/10) wins for most people. Free, local-first, no subscription. Own your knowledge base. Notion is the right choice if: docs + wiki + pm in one tool.
What is Sean's score for Notion?
Sean rates Notion 8.5/10. Verdict: Best for small teams wanting everything in one place.
What is Sean's score for Obsidian?
Sean rates Obsidian 8.7/10. Verdict: Free, local-first, no subscription. Own your knowledge base.
Who should choose Notion?
Docs + wiki + PM in one tool.
Who should choose Obsidian?
Local-first linked notes.
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Head to head, by the numbers
Notion
Obsidian
Sean's score
8.5/10
8.7/10
Price
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—
Top strength
Block structure handles notes, databases, wiki in one interface
Free for personal use
Biggest drawback
Significant learning curve before setup stabilizes
No real-time collaboration (unlike Notion)
The case for Notion
Block structure handles notes, databases, wiki in one interface
Strong collaboration features
Powerful database views (table, board, calendar, gallery)
API integrations with most major tools
The case for Obsidian
Free for personal use
Local-first — you own your data permanently
Bidirectional linking connects related ideas
Large plugin ecosystem extends functionality
Bottom line
Obsidian takes this one on the numbers (8.7/10 vs 8.5/10). Free, local-first, and powerful for linked notes. The right tool for people who want to own their knowledge base.
That said, Notion isn't a loser — it's a different answer. The best all-in-one workspace for individual contributors and small teams. The learning curve is real. The long-term value is higher.