SiYuan vs Notion: Which is Better in 2026?
Choosing between SiYuan and Notion comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
SiYuan
Privacy-first personal knowledge management system with Markdown, block references, and bi-directional links.
Best for you if:
- • You need something completely free
- • You need note-taking features specifically
- • Privacy-first personal knowledge management.
- • Supports Markdown, block references, and bi-directional links.
Notion
All-in-one workspace combining docs, wikis, databases, and project boards
Best for you if:
- • You need productivity features specifically
- • All-in-one workspace combining docs, wikis, projects, databases, calendar, and AI agents, used by 100M+ people
- • Free for individuals with unlimited pages; paid plans start at $10/user/month
| At a Glance |  SiYuan |  Notion |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Note-Taking | Productivity |
Rating | - | 4.5/5 |
Choose SiYuan or Notion?
Choose SiYuan if
Privacy-first personal knowledge management system with Markdown, block references, and bi-directional links.
- Strong emphasis on user privacy
- Ability to work completely offline
- Secure data synchronization with end-to-end encryption
- You want a fully free tool (Notion requires payment)
- Your work is note-taking-shaped, not productivity-shaped
Choose Notion if
All-in-one workspace combining docs, wikis, databases, and project boards
- Replaces multiple tools (docs, wikis, project management, databases) in one platform
- Highly flexible block-based system lets teams build custom workflows without code
- Deep AI integration, agents, search, meeting notes, and writing assistance
- Your work is productivity-shaped, not note-taking-shaped
| Feature | SiYuan | Notion |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | ★4.5/5 7,191 reviews |
| Categories | Note-TakingProductivity | ProductivityDocumentation |
In-Depth Analysis
SiYuan
Privacy-first personal knowledge management system with Markdown, block references, and bi-directional links.
Strengths
- +Strong emphasis on user privacy
- +Ability to work completely offline
- +Secure data synchronization with end-to-end encryption
- +Flexible knowledge organization with blocks and bi-directional links
- +Free to download and use
Weaknesses
- -No specific cons mentioned in the provided text.
Key features
Notion
All-in-one workspace combining docs, wikis, databases, and project boards
Strengths
- +Replaces multiple tools (docs, wikis, project management, databases) in one platform
- +Highly flexible block-based system lets teams build custom workflows without code
- +Deep AI integration, agents, search, meeting notes, and writing assistance
- +Generous free tier with unlimited pages and blocks for individual users
- +Massive template gallery and active community of 1.4M+ members
Weaknesses
- -Steep learning curve, flexibility can overwhelm new users and slow initial adoption
- -Performance degrades on large workspaces with thousands of nested pages
- -Offline mode limited to recently viewed and favorited pages only
- -AI features require separate paid add-on or higher-tier plan
- -No native Gantt charts or advanced resource management for complex project portfolios
Key features
Pricing: SiYuan vs Notion
| Plan | SiYuan | Notion |
|---|---|---|
| Tier 1 | Free Free | $0 Free |
| Tier 2 | N/A | $10 Plus |
| Tier 3 | N/A | $18 Business |
| Tier 4 | N/A | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on SiYuan pricing and Notion pricing.
Who Should Use What?
On a budget?
SiYuan is free. Notion is freemium.
Go with: SiYuan
Want the highest-rated option?
Notion is rated 4.5/5. SiYuan has no ratings yet.
Go with: Notion
Value user reviews?
SiYuan: no ratings yet. Notion: 7,191 reviews (4.5/5).
Go with: Notion
3 Questions to Help You Decide
What's your budget?
SiYuan is free. Notion is freemium. Go with SiYuan if free matters most.
What's your use case?
SiYuan is a note-taking tool. Notion is in productivity. Pick the category that matches your needs.
How important are ratings?
Notion is rated 4.5/5; SiYuan has no ratings yet.
Key Takeaways
Notion
- Free tier available
- Our pick for this comparison
SiYuan
- Completely free
- Better fit for note-taking
The Bottom Line
Notion is our pick. That said, SiYuan is free, hard to beat on price.
Frequently Asked Questions
Is SiYuan or Notion better?
Notion is rated in our evaluation. SiYuan is free and Notion is freemium.
What are SiYuan and Notion used for?
SiYuan: Privacy-first personal knowledge management system with Markdown, block references, and bi-directional links.. Notion: All-in-one workspace combining docs, wikis, databases, and project boards.
What does SiYuan cost vs Notion?
SiYuan is completely free. Notion is freemium (free tier + paid plans). Visit their websites for detailed pricing.