Capacities vs Obsidian: Which is Better in 2026?
Choosing between Capacities and Obsidian 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.
Bottom line: Obsidian wins this matchup. Our overall Note-Taking pick is Fathom. Our free Note-Taking pick is Fathom. Pick Capacities if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Capacities
Organize information the way you think with a personal knowledge graph
Best for you if:
- • You want object-based notes
- • You want aI features
Obsidian
Private and flexible note-taking
Best for you if:
- • You want local-first privacy
- • You want extensible plugins
| At a Glance | Capacities | Obsidian |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Note-Taking | Note-Taking |
Rating | 4.4/5 | 4.5/5 |
Free plan | Yes | Yes |
Choose Capacities or Obsidian?
Choose Capacities if
Organize information the way you think with a personal knowledge graph
- You want object-based notes
- You want aI features
Choose Obsidian if
Private and flexible note-taking
- You want local-first privacy
- You want extensible plugins
| Feature | Capacities | Obsidian |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.4/5 314 reviews | ★4.5/5 12 reviews |
| Categories | Note-TakingKnowledge Base | Note-TakingProductivity |
In-Depth Analysis
Capacities
Organize information the way you think with a personal knowledge graph
Capacities offers a generous Free tier with unlimited notes, making it highly accessible.
Watch out
Storage limits not specified
Strengths
- +Object-based notes
- +AI features
- +Beautiful UI
Weaknesses
- -Newer platform
Key features
Obsidian
Private and flexible note-taking
Obsidian core app is genuinely free with no feature gating, every note-taking and knowledge management feature works without paying.
Watch out
Sync ($4-5/month) is almost mandatory for multi-device users. While you can use free alternatives (iCloud, Google Drive, Git), they introduce sync conflicts that Obsidian Sync solves with end-to-end encryption and proper conflict resolution. Most serious users end up paying for Sync
Strengths
- +Local-first privacy
- +Extensible plugins
- +Graph view
Weaknesses
- -Sync costs extra
- -Steep learning curve
Key features
Pricing: Capacities vs Obsidian
| Plan | Capacities | Obsidian |
|---|---|---|
| Tier 1 | Free Free | $0 Free |
| Tier 2 | $8 month Pro | $4/user/month Sync |
| Tier 3 | N/A | $8/site/month Publish |
| Tier 4 | N/A | $50/user/year Commercial |
Pricing verified from each vendor's public pricing page. Compare in detail on Capacities pricing and Obsidian pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Capacities
Want the highest-rated option?
Capacities: 4.4/5 (314 reviews). Obsidian: 4.5/5 (12 reviews).
Go with: Obsidian
Value user reviews?
Capacities: 314 reviews (4.4/5). Obsidian: 12 reviews (4.5/5).
Go with: Capacities
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are note-taking tools. Compare their specific features to decide.
How important are ratings?
Obsidian is rated higher: 4.5/5 vs 4.4/5.
Key Takeaways
Obsidian
- Higher user rating: 4.5/5 vs 4.4/5
- Free tier available
- Our pick for this comparison
Capacities
- Larger review base (314 reviews)
The Bottom Line
Obsidian wins this matchup. Our overall Note-Taking pick is Fathom. Our free Note-Taking pick is Fathom.
Frequently Asked Questions
Is Capacities or Obsidian better?
Obsidian is rated in our evaluation. Both are freemium.
What are Capacities and Obsidian used for?
Capacities: Organize information the way you think with a personal knowledge graph. Obsidian: Private and flexible note-taking.
What does Capacities cost vs Obsidian?
Capacities is freemium (free tier + paid plans). Obsidian is freemium (free tier + paid plans). Visit their websites for detailed pricing.