Two Great Apps, Two Different Philosophies
Obsidian and Notion are both widely praised note-taking tools, but comparing them directly can be misleading — they solve different problems. Obsidian is a local-first, Markdown-based knowledge base. Notion is a cloud-based, all-in-one workspace with databases, wikis, and collaboration features. Understanding these core differences is the key to making the right choice.
Obsidian: Your Notes, Your Files
Obsidian stores all your notes as plain Markdown files on your own device. There is no proprietary format, no lock-in, and no requirement for an internet connection. Your vault — what Obsidian calls your note collection — is just a folder of .md files you can open with any text editor.
Key Strengths of Obsidian
- Full data ownership: Notes live on your hard drive. You control backups and syncing.
- Bidirectional linking: Create a web of connected ideas using
[[wikilinks]]. - Graph view: Visualise the relationships between your notes.
- Plugin ecosystem: Hundreds of community plugins extend functionality dramatically.
- Offline-first: Works perfectly without an internet connection.
- Free for personal use: Core app is free; sync and publish are paid add-ons.
Limitations of Obsidian
- No built-in real-time collaboration
- Steeper setup and configuration curve
- Mobile experience is functional but less polished than desktop
Notion: The All-in-One Workspace
Notion takes a fundamentally different approach. It is a cloud-based platform where pages can contain text, databases, kanban boards, calendars, embedded media, and more. It excels as a team wiki, project management hub, or personal dashboard.
Key Strengths of Notion
- Databases: Create linked tables, boards, and calendars to organise complex information.
- Collaboration: Real-time co-editing and commenting built in from the start.
- Templates: A rich library of templates for projects, journals, CRMs, and more.
- Cross-platform: Consistent experience on web, desktop, and mobile.
- Generous free tier: Individual use is free with unlimited pages.
Limitations of Notion
- Notes are stored on Notion's servers — export is possible but not seamless
- Requires an internet connection for most functionality
- Can become sluggish with very large workspaces
- Less suited to long-form writing or a pure writing workflow
Side-by-Side Comparison
| Feature | Obsidian | Notion |
|---|---|---|
| Data storage | Local files (Markdown) | Cloud (Notion servers) |
| Offline access | ✅ Full offline | ⚠️ Limited offline |
| Collaboration | ❌ Not built-in | ✅ Real-time |
| Databases / tables | Plugin support | ✅ Native, powerful |
| Markdown support | ✅ Native | ⚠️ Partial |
| Free tier | ✅ Generous | ✅ Generous |
| Data portability | ✅ Excellent | ⚠️ Export available |
Who Should Use Obsidian?
Choose Obsidian if you value data ownership, love working in plain text, want to build a personal knowledge base with deep connections between ideas, or work frequently offline. It's particularly popular with researchers, writers, and developers.
Who Should Use Notion?
Choose Notion if you need to collaborate with a team, want an all-in-one workspace that combines notes with project management, or prefer a more visual and structured approach to organising information.
Can You Use Both?
Yes — and many people do. A common approach is to use Notion for shared team wikis and project tracking, while keeping a private Obsidian vault for personal notes, research, and daily journaling. They complement rather than replace each other.