Mem
Obsidian
Mem
Obsidian
Mem
Obsidian
No signals
Mem
Obsidian
Mem
Obsidian
No signals
Mem
Obsidian
No signals
Mem
No signals
Obsidian
Mem
No signals
Obsidian
Users: 1 user
Storage: Limited
Limits: No collections, limited AI, basic search only
Users: 1 user
Storage: Unlimited notes
Limits: Individual use only, no collaboration features
Users: Per user
Storage: Unlimited
Limits: No advanced security features, contact sales for Enterprise
Users: Custom
Storage: Custom
Limits: Contact sales for pricing
Users: Unlimited
Storage: Unlimited (local)
Limits: No built-in sync, No web access to publish, Must self-manage backups
Users: 1 user
Storage: 10GB total, 200MB per file
Limits: Per-vault pricing, Cannot share with others
Users: 1 site
Storage: 4GB
Limits: One-way sharing only, Not collaborative editing
Users: 1 user
Storage: N/A
Limits: Not required for any features, Purely supporter benefit
| Feature | Mem | Obsidian |
|---|---|---|
| AI Features | ||
| AI-Powered Organization Self-organizing notes | ||
| AI Chat Query notes naturally | ||
| Smart Write AI writing assistance | ||
| Security | ||
| Local-first storage Plain Markdown files you own | ||
| End-to-end encrypted sync Obsidian Sync only ($4/mo) | ||
| Organization | ||
| Bidirectional linking Core feature | ||
| Collections Pro plan only | ||
| Folder Organization Folderless by design | ||
| Native database views Requires Dataview plugin | ||
| Visualization | ||
| Graph view Visualize note connections | ||
| Canvas/whiteboard Built-in canvas feature | ||
| Customization | ||
| Community plugins 1000+ available, quality varies | ||
| Custom themes Extensive theme marketplace | ||
| Mobile | ||
| iOS App Described as 'barely tolerable' | ||
| Android App Does not exist | ||
| Mobile apps iOS and Android, basic experience | ||
| Publishing | ||
| Publish to web Obsidian Publish ($8/mo) | ||
| Reliability | ||
| Offline Mode AI requires internet | ||
| Offline access Full offline by default | ||
| Integrations | ||
| Readwise Integration Not available | ||
| API Access Limited integrations | ||
| Usability | ||
| Markdown support Core format | ||
| Web version No browser access | ||
| Collaboration | ||
| Team Workspaces Teams plan | ||
| Real-time collaboration Not available | ||
| Productivity | ||
| Templates Core and Templater plugin | ||
| Built-in task management Requires plugins | ||
| Data | ||
| Data Export | ||
| Import from Other Apps Can corrupt data | ||
| Pricing | ||
| Free personal use No feature restrictions | ||
| AI | ||
| AI features Requires third-party plugins | ||
