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Head-to-head · Diagram Software

Visual Paradigm vs Astah Professional

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Visual Paradigm #2 in Diagram Software 9.2/10 Free plan · 30-day trial Free planFree trial✓ 3 of 3 features Try Visual Paradigm
Astah Professional #23 in Diagram Software 6.9/10 20-day trial Free trial✓ 1 of 3 features Visit Astah

Visual Paradigm leads on 3 checks, Astah Professional on 0, and 1 is even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreVisual Paradigm · 9.2/10
  • Free planonly Visual Paradigm
  • Free trialboth
  • Most featuresVisual Paradigm · 3 of 3

Visual Paradigm scores higher on our rubric for diagram software: 9.2 against 6.9 out of 10; our editors rank them #2 and #23.

Visual Paradigm offers free plan; Astah Professional doesn't. Visual Paradigm offers real-time collaboration; Astah Professional doesn't. Visual Paradigm offers version history; Astah Professional doesn't.

Visual Paradigm is the better fit for teams needing deep modeling and collaboration. Astah Professional is the better fit for software teams needing UML and code engineering.

  • Visual Paradigm fits best

    Teams needing deep modeling and collaboration

  • Astah Professional fits best

    Software teams needing UML and code engineering

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Visual Paradigm 9.2/10 Visit ↗ Astah Professional 6.9/10 Visit ↗
At a glance
Editor score 9.2 6.9
Ranking #2 in Diagram Software #23 in Diagram Software
Best for Teams needing deep modeling and collaboration Software teams needing UML and code engineering
Pricing model Free plan + paid Paid
Starting price $4/user/mo $129.99/user/yr
Free plan ✓ (best) —
Free trial 30 days 20 days
Free trial length 30 days 20 days
Deployment Cloud, Self-hosted, Desktop Desktop
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Email, Tickets, Community, Docs Docs
Integrations 3 integrations 3 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Visual Paradigm 3/3 · Astah Professional 1/3
Real-time collaboration ✓ (best) —
Desktop app ✓ ✓
Version history ✓ (best) —
Specs
Diagram types UML, SysML, flowchart, organization chart, ER, BPMN, data-flow, EPC, mind map, C4, Gantt, wireframe, cloud architecture 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 JPG, PNG, SVG, TIFF, EMF, PDF, XML, Excel, XMI, UML2 JPEG, PNG, EMF, SVG, RTF, HTML, CSV, XML, CMOF
Import formats XML, Excel, XMI, UML2, Visio drawing, Visio stencil, Rational Rose, Rational DNX, Rational System Architect, Rational Rhapsody, NetBeans UML Excel, XML
Maximum editors 5 editors Not checked yet
Our review
Pros
  • Supports 150+ diagram types and formal modeling notations
  • Offers real-time editing, revision history, and repository workflows
  • Includes extensive imports, exports, and IDE integrations
  • 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
  • Advanced engineering and enterprise tools require higher-priced plans
  • The $6 Modeler plan is based on a single seat
  • Desktop and online offerings are separate
  • 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

Visual Paradigm is a visual modeling and diagramming suite for business analysts, enterprise architects, project managers, agile teams, and software developers. It combines formal notations such as UML, BPMN, SysML, ArchiMate, ER, DFD, and…

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 →
  1. Visual ParadigmDiagram Software 9.2Free plan · 30-day trial
  2. Astah ProfessionalDiagram Software 6.920-day trial

Strengths and trade-offs

  • Visual Paradigm — where it wins

    • Supports 150+ diagram types and formal modeling notations
    • Offers real-time editing, revision history, and repository workflows
    • Includes extensive imports, exports, and IDE integrations

    Where it doesn't

    • Advanced engineering and enterprise tools require higher-priced plans
    • The $6 Modeler plan is based on a single seat
    • Desktop and online offerings are separate
  • 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
  • Visual Paradigm9.2/10 · Free plan · 30-day trial

    A broad modeling suite with collaboration, engineering tools, and a free plan.

    Try Visual ParadigmFull verdict →
  • Astah Professional6.9/10 · 20-day trial

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

    Visit AstahFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update