SiYuan vs Memos
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 RatingM
Memos
Lightweight self-hosted note-taking for quick capture
4.5
Editorial RatingQuick Comparison
Rating
4.5
vs4.5
Starting Price
Free
vsFree
Pricing Model
freemium
vsfree
Feature
SiYuan
Memos
Block-level references
Bidirectional linking
Spaced repetition
E2E encrypted sync
Math and diagrams
Mobile apps
Quick note capture
Markdown support
Tags and filters
Timeline view
REST API
Mobile-friendly
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
Memos Pros
- Incredibly lightweight — runs on a Raspberry Pi
- Perfect for quick thought capture without heavy UI
- 59K GitHub stars reflect genuine community enthusiasm
- Single Docker container with SQLite makes deployment trivial
- Mobile-friendly web interface for on-the-go capture
- API enables automation and integration with other tools
Memos Cons
- Not designed for long-form documents or complex knowledge bases
- Limited formatting compared to full note-taking apps
- No real-time collaboration features
- Search is basic compared to tools like Trilium
- No native mobile app — browser-based only
- Plugin ecosystem is minimal