Cacoo vs Astah Professional

Cacoo8.5Visit Astah Professional6.9Visit

Higher score Cacoo #8 in Diagram Software 8.5/10 Free plan · 14-day trial Free planFree trial✓ 2 of 3 features Visit Cacoo

vs

Astah Professional #23 in Diagram Software 6.9/10 20-day trial Free trial✓ 1 of 3 features Visit Astah

• Cacoo fits best

  Small teams wanting low-cost live collaboration

• Astah Professional fits best

  Software teams needing UML and code engineering

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Side by side

Feature	Cacoo 8.5/10 Visit ↗	Astah Professional 6.9/10 Visit ↗
At a glance
Editor score	8.5	6.9
Ranking	#8 in Diagram Software	#23 in Diagram Software
Best for	Small teams wanting low-cost live collaboration	Software teams needing UML and code engineering
Pricing model	Free plan + paid	Paid
Starting price	$6/user/mo	$129.99/user/yr
Free plan	✓ (best)	—
Free trial	14 days	20 days
Free trial length	14 days · no card needed	20 days
Deployment	Cloud, Self-hosted	Desktop
Platforms	Web	Windows, macOS, Linux
Support	Email, Docs · 24/7	Docs
Integrations	10 integrations	3 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Cacoo 2/3 · Astah Professional 1/3
Real-time collaboration	✓ (best)	—
Desktop app	Not checked yet	✓ (best)
Version history	✓ (best)	—
Specs
Diagram types	flowcharts, wireframes, mind maps, process diagrams, BPMN diagrams, network diagrams, UML diagrams, organizational charts, timelines, charts, wireframes	Class, object, communication, timing, component, deployment, composite structure, use case, sequence, activity, statemachine, package, requirement, mind map, ER, flowchart, CRUD, data flow, traceability map, Eriksson-Penker process
Export formats	PNG, SVG, PDF, PS, PPT	JPEG, PNG, EMF, SVG, RTF, HTML, CSV, XML, CMOF
Import formats	Microsoft Visio, CSV	Excel, XML
Maximum editors	1 editors	Not checked yet
Our review
Pros	Free plan includes unlimited users, real-time editing, comments, and chat Supports flowcharts, wireframes, mind maps, and technical diagrams Offers web and private-server Enterprise deployment	Supports UML, ER, flowcharts, requirements, CRUD, and traceability maps Includes Java, C#, and C++ reverse engineering plus PHP and SQL generation Runs on Windows, macOS, and Linux with API, plug-ins, and AI features
Cons	Pro lists support for 1 user Enterprise pricing is custom on the main pricing page Platform coverage centers on web and self-hosted deployment	No free plan; paid access starts at $11.99 per user per month Licensing is limited to one editor Collaboration is file and project-based rather than live simultaneous editing
Our verdict	Cacoo is an online diagramming and visual collaboration tool from Nulab, Inc. It is designed for teams creating flowcharts, wireframes, mind maps, technical diagrams, charts, tables, Kanban boards, and brainstorming workflows. Real-time… Read the review →	Astah Professional is desktop modeling software for software developers, system designers, technical architects, and engineering teams. Its scope extends from UML to entity-relationship diagrams, flowcharts, data flow diagrams,… Read the review →

Strengths and trade-offs

• Cacoo — where it wins

  • Free plan includes unlimited users, real-time editing, comments, and chat
  • Supports flowcharts, wireframes, mind maps, and technical diagrams
  • Offers web and private-server Enterprise deployment

  Where it doesn't

  • Pro lists support for 1 user
  • Enterprise pricing is custom on the main pricing page
  • Platform coverage centers on web and self-hosted deployment

• Astah Professional — where it wins

  • Supports UML, ER, flowcharts, requirements, CRUD, and traceability maps
  • Includes Java, C#, and C++ reverse engineering plus PHP and SQL generation
  • Runs on Windows, macOS, and Linux with API, plug-ins, and AI features

  Where it doesn't

  • No free plan; paid access starts at $11.99 per user per month
  • Licensing is limited to one editor
  • Collaboration is file and project-based rather than live simultaneous editing

• Cacoo8.5/10 · Free plan · 14-day trial

  A low-cost collaborative diagramming tool with broad formats and deployment options.

  Visit CacooFull verdict →
• Astah Professional6.9/10 · 20-day trial

  A broad desktop modeling suite for software engineering, with one-editor licensing.

  Visit AstahFull verdict →