kitio.aiBoardmix vs Diagramming AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Boardmix starts at $12/mo and Diagramming AI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Real-time whiteboard
- AI mind maps and flowcharts
- AI presentations
- Strategy templates
- Miro import
- Lifetime licenses
- Prompt to diagram
- Five diagram engines
- Live preview
- Chat editing
- Excalidraw themes
- Read-only share links
| Feature | Boardmix | Diagramming AI |
|---|---|---|
| Best for | Online whiteboard with AI mind maps, flowcharts and slides | Generate and edit Mermaid, PlantUML and Excalidraw diagrams by chat |
| Category | Design | Design |
| Pricing model | Freemium | Freemium |
| Starting price | $12/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Boardmix | Diagramming AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Boardmix starts at $12/mo and Diagramming AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
Free
Free
- 3 editable boards
- 100 objects per board
- 1 team workspace
Starter
$12/mo
- Per user
- Unlimited boards and objects
- 10 GB storage per seat
- Watermark-free exports
AI Starter
$15.90/mo
- Per user
- AI agent
- AI mind maps and flowcharts
- AI presentations
AI Business
$29.90/mo
- Per user
- 10,000 AI credits per seat
- 20 GB storage per seat
Lifetime
$99 one-time
- Per user
- One-time purchase
- All editing features
Enterprise
Contact sales
- Unlimited team workspaces
- Advanced permissions
- Dedicated success manager
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Boardmix
- Free plan with no card required
- One-time lifetime option
- Wide range of diagram types
- Free plan limited to 3 boards
- AI features need an AI plan
- Monthly billing costs much more than annual
Diagramming AI
- Supports five diagram formats
- Output stays editable as code
- Theme changes don't need regeneration
- Pricing is not shown on the homepage
- Share links are read-only
Which one should you choose?
Choose Boardmix if you want:
- Free plan with no card required
- One-time lifetime option
- Wide range of diagram types
Watch out: free plan limited to 3 boards.
Choose Diagramming AI if you want:
- Supports five diagram formats
- Output stays editable as code
- Theme changes don't need regeneration
Watch out: pricing is not shown on the homepage.
Boardmix vs Diagramming AI FAQ
What is the difference between Boardmix and Diagramming AI?
Boardmix: Online whiteboard with AI mind maps, flowcharts and slides. Diagramming AI: Generate and edit Mermaid, PlantUML and Excalidraw diagrams by chat. Both are design tools.
Is Boardmix or Diagramming AI cheaper?
Boardmix starts at $12/mo and Diagramming AI starts at See pricing page. Check both pricing pages for current plans.
Do Boardmix and Diagramming AI have free plans?
Boardmix: Yes. Diagramming AI: Yes.
Who makes Boardmix?
Boardmix is made by Boardmix.
Who makes Diagramming AI?
Diagramming AI is made by Diagramming AI.
Which should I choose, Boardmix or Diagramming AI?
Choose Boardmix if you value free plan with no card required and one-time lifetime option. Choose Diagramming AI if you value supports five diagram formats and output stays editable as code.