kitio.aiNapkin AI vs Diagram Generator
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Napkin AI starts at $9/mo and Diagram Generator starts at $9/mo. Check both pricing pages for current plans.
Creates flowcharts, ER diagrams and infographics from a text prompt
Freemium · $9/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Text to diagram
- Editable visuals
- Style presets
- SVG and PDF export
- Brand styles
- Text to diagram
- Editable Mermaid output
- Web-grounded content
- 10+ visual styles
- Up to 4K export
| Feature | Napkin AI | Diagram Generator |
|---|---|---|
| Best for | Turns written text into editable diagrams and visuals | Creates flowcharts, ER diagrams and infographics from a text prompt |
| Category | Design | Design |
| Pricing model | Freemium | Freemium |
| Starting price | $9/mo | $9/mo |
| Free plan | Yes | Yes |
| Made by | Napkin AI | Diagram Generator |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Both offer: Text to diagram.
Pricing compared
Napkin AI starts at $9/mo and Diagram Generator starts at $9/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- 500 AI credits per week
- Unlimited PNG and PDF export
- Napkin branding on visuals
Plus
$9/mo
- Per person
- Premium AI image models
- Unlimited PPT and SVG export
- 3 brand styles, no branding
Pro
$22/mo
- Per person
- Exclusive designs
- Unlimited custom branding
- Upload your own fonts
Enterprise
Contact sales
- Custom plan for organizations
3 plans
Developer
Free
- 5 one-time Pro credits
- All diagram types
- Up to 2K, watermarked
Starter
$9/mo
- 100 Pro credits a month
- No watermark
- Commercial license
Professional
$35/mo
- 400 Pro credits a month
- 4K generation
- Priority support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Napkin AI
- Fast visuals from existing text
- Results stay fully editable
- Clean, consistent style
- Less suited to free-form illustration
- Credit limits on the free plan
Diagram Generator
- Choice of code or image output
- Pulls in current data
- Many diagram types
- Free credits are one-time only
- 4K output needs the top plan
- Still in public beta
Which one should you choose?
Choose Napkin AI if you want:
- Fast visuals from existing text
- Results stay fully editable
- Clean, consistent style
Watch out: less suited to free-form illustration.
Choose Diagram Generator if you want:
- Choice of code or image output
- Pulls in current data
- Many diagram types
Watch out: free credits are one-time only.
Napkin AI vs Diagram Generator FAQ
What is the difference between Napkin AI and Diagram Generator?
Napkin AI: Turns written text into editable diagrams and visuals. Diagram Generator: Creates flowcharts, ER diagrams and infographics from a text prompt. Both are design tools.
Is Napkin AI or Diagram Generator cheaper?
Napkin AI starts at $9/mo and Diagram Generator starts at $9/mo. Check both pricing pages for current plans.
Do Napkin AI and Diagram Generator have free plans?
Napkin AI: Yes. Diagram Generator: Yes.
Who makes Napkin AI?
Napkin AI is made by Napkin AI, based in United States.
Who makes Diagram Generator?
Diagram Generator is made by Diagram Generator.
Which should I choose, Napkin AI or Diagram Generator?
Choose Napkin AI if you value fast visuals from existing text and results stay fully editable. Choose Diagram Generator if you value choice of code or image output and pulls in current data.