Obsidian vs SiYuan
Detailed comparison to help you choose the right tool for your needs
S
SiYuan
Privacy-first local knowledge management with block-level references
4.5
Editorial RatingQuick Comparison
Rating
4.7
vs4.5
Starting Price
Free
vsFree
Pricing Model
freemium
vsfreemium
Feature
Obsidian
SiYuan
Local Markdown files
Bidirectional linking
Graph view
Plugin ecosystem
Canvas
Full offline support
Block-level references
Spaced repetition
E2E encrypted sync
Math and diagrams
Mobile apps
Obsidian Pros
- Blazing fast search with keyword combinations
- True data ownership - plain markdown files stored locally
- Massive plugin ecosystem for any workflow
- Canvas feature for visual mind mapping
- Works perfectly offline
- Free for personal use
- Highly extensible and customizable
Obsidian Cons
- Steep learning curve and initial setup investment
- Plugin overload can be overwhelming for new users
- Mobile experience less refined than desktop
- Sync service adds cost unless using third-party solutions
- Not designed for team collaboration
- Requires technical comfort to unlock full potential
SiYuan Pros
- Block-level referencing more granular than any competitor
- Spaced repetition built in for active learning
- End-to-end encrypted sync option for cross-device use
- Rich content support including math diagrams and code
- Desktop and mobile apps for all platforms
- Completely free for local use
SiYuan Cons
- Steeper learning curve than simpler note apps
- Block reference syntax takes time to master
- Cloud sync requires paid subscription
- Smaller community than Obsidian or Notion
- Interface can feel overwhelming for simple notes
- English documentation sometimes lags Chinese original