Cacoo vs Diagram: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Cacoo and Diagram side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Cacoo
Collaborate in real time on flowcharts, wireframes, and more
Best for you if:
- • You want a free tier before you commit
Diagram
Generate UI components and mockups from text descriptions
Best for you if:
- • You want AI-powered diagram creation
| At a Glance | ||
|---|---|---|
Starts at | Free plan, paid from $6/user/mo, billed monthly Pro plan | Free plan |
Category | Diagramming Whiteboard | UI/UX Design AI Assistants |
Rating | 4.6/5 G2 4.5 · Capterra 4.7 413 reviews | n/a |
Free plan | Yes | No |
Watch out for | n/a | Potential minimum seat requirements for Pro |
Choose Cacoo or Diagram?
Choose Cacoo if
- You want a free tier before you commit
- You want real-time collaboration with video chat built in
- You want free plan available for getting started
- You work in diagramming, not UI/UX design
Choose Diagram if
- You want AI-powered diagram creation
- You want quick visualization generation
- You work in UI/UX design, not diagramming
In-Depth Analysis
Cacoo
Collaborate in real time on flowcharts, wireframes, and more
Cacoo's pricing is generally fair, especially for individuals and small teams.
Strengths
- Pro: Real-time collaboration with video chat built in
- Pro: Free plan available for getting started
- Pro: Wide range of diagram types with professional templates
- Pro: Strong integrations with developer and productivity tools
- Pro: Enterprise-grade security with SAML and on-premise options
Weaknesses
- Con: Free plan limited to 2 users and 6 sheets
- Con: Pro plan restricted to a single user
- Con: Enterprise on-premise pricing starts at $1,500/year
- Con: Fewer shape libraries than Lucidchart or draw.io
Key features
Diagram
Generate UI components and mockups from text descriptions
It's best for individuals or small teams needing basic tools, or larger organizations willing to negotiate for advanced features.
Watch out
Potential minimum seat requirements for Pro
Strengths
- Pro: AI-powered diagram creation
- Pro: Quick visualization generation
- Pro: Multiple diagram types supported
- Pro: Text-to-diagram capabilities
- Pro: Simplifies complex visualizations
Weaknesses
- Con: AI diagrams may need refinement
- Con: Limited customization options
- Con: Premium features cost extra
- Con: May not match professional tools
- Con: Output quality varies
Key features
Plans and prices: Cacoo vs Diagram
| Tool | Plans and prices | Source |
|---|---|---|
| Cacoo |
| nulab.com/pricing/cacoo read Oct 31, 2026 |
| Diagram |
| diagram.com read Oct 5, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Cacoo pricing and Diagram pricing.
Key Takeaways
Cacoo
- Choose if you want collaborate in real time on flowcharts, wireframes, and more
Diagram
- Choose if you want generate UI components and mockups from text descriptions
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Cacoo has a published user rating (4.6/5 from 413 reviews); Diagram has none we can show.
- Cacoo starts at $6/user/mo, billed monthly; Diagram has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Cacoo and Diagram compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Cacoo has a published user rating (4.6/5 from 413 reviews); Diagram has none we can show. Cacoo starts at $6/user/mo, billed monthly; Diagram has no public paid plan price on file. Both have a free plan.
What are Cacoo and Diagram used for?
Cacoo: Collaborate in real time on flowcharts, wireframes, and more. Diagram: Generate UI components and mockups from text descriptions.
What does Cacoo cost vs Diagram?
Cacoo's cheapest paid plan is Pro at $6/user/mo, billed monthly; it also has a free plan. Diagram has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Cacoo and Diagram?
Cacoo's main strength: real-time collaboration with video chat built in. Diagram's main strength: AI-powered diagram creation.