Stempad vs Capacities: Which is Better in 2026?
Choosing between Stempad and Capacities 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: Capacities is our overall pick for note-taking workflows. Pick Stempad if you need writing apps.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Stempad
Write, publish, and collaborate on scientific notes with AI-powered tools.
Best for you if:
- • You need writing apps features specifically
- • AI-powered platform for scientific note-taking and publishing.
- • Integrates tools for math, chemistry, graphs, and diagrams in one place.
Capacities
Organize information the way you think with a personal knowledge graph
Best for you if:
- • You need note-taking features specifically
- • Capacities is a note-taking app that organizes information as objects with types
- • It structures notes as books, people, projects, and custom object types
| At a Glance |  Stempad |  Capacities |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Writing Apps | Note-Taking |
Rating | 2.9/5 | 4.8/5 |
Choose Stempad or Capacities?
Choose Stempad if
Write, publish, and collaborate on scientific notes with AI-powered tools.
- Combines multiple scientific tools into one platform, reducing app switching.
- Simplifies complex scientific notation (math, chemistry) compared to LaTeX.
- Offers real-time collaboration for team projects or study groups.
- Your work is writing apps-shaped, not note-taking-shaped
Choose Capacities if
Organize information the way you think with a personal knowledge graph
- Object-based notes
- AI features
- Beautiful UI
- Your work is note-taking-shaped, not writing apps-shaped
| Feature | Stempad | Capacities |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★2.9/5 7 reviews | ★4.8/5 57 reviews |
| Categories | Writing AppsAI Writing | Note-TakingKnowledge Base |
In-Depth Analysis
Stempad
Write, publish, and collaborate on scientific notes with AI-powered tools.
Strengths
- +Combines multiple scientific tools into one platform, reducing app switching.
- +Simplifies complex scientific notation (math, chemistry) compared to LaTeX.
- +Offers real-time collaboration for team projects or study groups.
- +Integrates with widely used educational and productivity platforms.
- +Responsive development team that quickly adds features and fixes bugs.
Weaknesses
- -Advanced AI models and multi-user features are locked behind paid tiers.
- -Specific limitations of the free plan (e.g., 5 pads saved to cloud) might be restrictive for some users.
Key features
Capacities
Organize information the way you think with a personal knowledge graph
Strengths
- +Object-based notes
- +AI features
- +Beautiful UI
Weaknesses
- -Newer platform
Key features
Pricing: Stempad vs Capacities
| Plan | Stempad | Capacities |
|---|---|---|
| Tier 1 | $0 Free | Free Free |
| Tier 2 | USD per month billed annually Cloud | $8 month Pro |
| Tier 3 | Contact us Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Stempad pricing and Capacities pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Stempad
Want the highest-rated option?
Stempad: 2.9/5 (7 reviews). Capacities: 4.8/5 (57 reviews).
Go with: Capacities
Value user reviews?
Stempad: 7 reviews (2.9/5). Capacities: 57 reviews (4.8/5).
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?
Stempad is a writing apps tool. Capacities is in note-taking. Pick the category that matches your needs.
How important are ratings?
Capacities is rated higher: 4.8/5 vs 2.9/5.
Key Takeaways
Capacities
- Higher user rating: 4.8/5 vs 2.9/5
- Larger review base (57 reviews)
- Free tier available
- Our pick for this comparison
Stempad
- Better fit for writing apps
The Bottom Line
Capacities is our pick.
Frequently Asked Questions
Is Stempad or Capacities better?
Capacities is rated in our evaluation. Both are freemium.
What are Stempad and Capacities used for?
Stempad: Write, publish, and collaborate on scientific notes with AI-powered tools.. Capacities: Organize information the way you think with a personal knowledge graph.
What does Stempad cost vs Capacities?
Stempad is freemium (free tier + paid plans). Capacities is freemium (free tier + paid plans). Visit their websites for detailed pricing.