Arky vs Capacities: Which is Better in 2026?
Choosing between Arky 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 Arky if you need productivity.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Arky
Transform messy ideas into clear structures with a visual workspace powered by AI.
Best for you if:
- • You need productivity features specifically
- • Visual workspace for structuring complex ideas with a spatial canvas.
- • Uses AI to augment thinking, organize content, and generate diagrams/mind maps.
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 |  Arky |  Capacities |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Productivity | Note-Taking |
Rating | - | 4.8/5 |
Choose Arky or Capacities?
Choose Arky if
Transform messy ideas into clear structures with a visual workspace powered by AI.
- Transforms unstructured thoughts into clear, logical structures.
- AI assistance helps sharpen thinking and automate content organization.
- Visual and spatial interface caters to non-linear thinking.
- Your work is productivity-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 productivity-shaped
| Feature | Arky | Capacities |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.8/5 57 reviews |
| Categories | ProductivityMind Mapping | Note-TakingKnowledge Base |
In-Depth Analysis
Arky
Transform messy ideas into clear structures with a visual workspace powered by AI.
Strengths
- +Transforms unstructured thoughts into clear, logical structures.
- +AI assistance helps sharpen thinking and automate content organization.
- +Visual and spatial interface caters to non-linear thinking.
- +Supports a wide range of use cases from academic study to project management.
- +PDF integration streamlines research and content drafting.
Weaknesses
- -Some export options (PDF, PowerPoint) are not yet available.
- -Real-time collaboration is currently in Alpha, indicating potential for instability or limited features.
- -Pricing tiers for AI and Workspace are separate, which could be confusing for 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: Arky vs Capacities
| Plan | Arky | Capacities |
|---|---|---|
| Tier 1 | N/A | Free Free |
| Tier 2 | N/A | $8 month Pro |
Pricing verified from each vendor's public pricing page. Compare in detail on Arky pricing and Capacities pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Arky
Want the highest-rated option?
Capacities is rated 4.8/5. Arky has no ratings yet.
Go with: Capacities
Value user reviews?
Arky: no ratings yet. 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?
Arky is a productivity tool. Capacities is in note-taking. Pick the category that matches your needs.
How important are ratings?
Capacities is rated 4.8/5; Arky has no ratings yet.
Key Takeaways
Capacities
- Free tier available
- Our pick for this comparison
Arky
- Better fit for productivity
The Bottom Line
Capacities is our pick.
Frequently Asked Questions
Is Arky or Capacities better?
Capacities is rated in our evaluation. Both are freemium.
What are Arky and Capacities used for?
Arky: Transform messy ideas into clear structures with a visual workspace powered by AI.. Capacities: Organize information the way you think with a personal knowledge graph.
What does Arky cost vs Capacities?
Arky is freemium (free tier + paid plans). Capacities is freemium (free tier + paid plans). Visit their websites for detailed pricing.