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Head-to-head · Diagram Software

Bizagi Modeler vs Astah Professional

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Bizagi Modeler #14 in Diagram Software 7.9/10 Free plan · pricing on request Free plan✓ 3 of 3 features Visit Bizagi
Astah Professional #23 in Diagram Software 6.9/10 20-day trial Free trial✓ 1 of 3 features Visit Astah

Bizagi Modeler 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 scoreBizagi Modeler · 7.9/10
  • Free planonly Bizagi Modeler
  • Free trialonly Astah Professional
  • Most featuresBizagi Modeler · 3 of 3

Bizagi Modeler scores higher on our rubric for diagram software: 7.9 against 6.9 out of 10; our editors rank them #14 and #23.

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

Bizagi Modeler is the better fit for business process modeling and simulation. Astah Professional is the better fit for software teams needing UML and code engineering.

  • Bizagi Modeler fits best

    Business process modeling and simulation

  • 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 Bizagi Modeler 7.9/10 Visit ↗ Astah Professional 6.9/10 Visit ↗
At a glance
Editor score 7.9 6.9
Ranking #14 in Diagram Software #23 in Diagram Software
Best for Business process modeling and simulation Software teams needing UML and code engineering
Pricing model Free plan + paid Paid
Starting price — $129.99/user/yr
Free plan ✓ (best) —
Free trial — 20 days
Deployment Cloud, Desktop Desktop
Platforms Web, Windows Windows, macOS, Linux
Support Community, Docs Docs
Built for Solo, Enterprise Solo, Small business, Mid-market, Enterprise
Features Bizagi Modeler 3/3 · Astah Professional 1/3
Real-time collaboration ✓ (best) —
Desktop app ✓ ✓
Version history ✓ (best) —
Specs
Diagram types BPMN process diagrams; value chain diagrams 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 Image; Visio; XPDL; XML; BPMN; Word; PDF; Web; SharePoint; Wiki JPEG, PNG, EMF, SVG, RTF, HTML, CSV, XML, CMOF
Import formats Visio; XPDL; Bizagi; XML; BPMN Excel, XML
Maximum editors Not checked yet Not checked yet
Our review
Pros
  • Free plan includes unlimited models, simulation, and import/export
  • Publishes process documentation to Word, PDF, Excel, Web, SharePoint, and Wiki
  • Enterprise adds collaboration, governance, revision history, and restore
  • 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
  • Enterprise collaboration and cloud features require a tailored proposal
  • Designed for BPMN and process diagrams rather than broad diagramming
  • Desktop modeling is available on Windows, with web access for platform features
  • 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

Bizagi Modeler is a business process diagramming application built around BPMN 2.0 modeling, documentation, simulation, and publishing. It fits process analysts, operations teams, and organizations that need to map workflows, evaluate…

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. Bizagi ModelerDiagram Software 7.9Free plan · pricing on request
  2. Astah ProfessionalDiagram Software 6.920-day trial

Strengths and trade-offs

  • Bizagi Modeler — where it wins

    • Free plan includes unlimited models, simulation, and import/export
    • Publishes process documentation to Word, PDF, Excel, Web, SharePoint, and Wiki
    • Enterprise adds collaboration, governance, revision history, and restore

    Where it doesn't

    • Enterprise collaboration and cloud features require a tailored proposal
    • Designed for BPMN and process diagrams rather than broad diagramming
    • Desktop modeling is available on Windows, with web access for platform features
  • 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
  • Bizagi Modeler7.9/10 · Free plan · pricing on request

    A focused BPMN tool for modeling, simulating, documenting, and sharing business processes.

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

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

    Visit AstahFull verdict →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update