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Head-to-head · Diagram Software

Lucidchart vs Astah Professional

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Lucidchart #3 in Diagram Software 9.0/10 Free plan · 7-day trial Free planFree trial✓ 2 of 3 features Visit Lucidchart
Astah Professional #23 in Diagram Software 6.9/10 20-day trial Free trial✓ 1 of 3 features Visit Astah

Lucidchart leads on 3 checks, Astah Professional on 1, and 0 are 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 scoreLucidchart · 9.0/10
  • Free planonly Lucidchart
  • Free trialboth
  • Most featuresLucidchart · 2 of 3

Lucidchart scores higher on our rubric for diagram software: 9.0 against 6.9 out of 10; our editors rank them #3 and #23.

Lucidchart offers free plan; Astah Professional doesn't. Lucidchart offers real-time collaboration; Astah Professional doesn't. Astah Professional offers desktop app; Lucidchart doesn't. Lucidchart offers version history; Astah Professional doesn't.

Lucidchart is the better fit for collaborative business and technical diagramming. Astah Professional is the better fit for software teams needing UML and code engineering.

  • Lucidchart fits best

    Collaborative business and technical diagramming

  • 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 Lucidchart 9.0/10 Visit ↗ Astah Professional 6.9/10 Visit ↗
At a glance
Editor score 9.0 6.9
Ranking #3 in Diagram Software #23 in Diagram Software
Best for Collaborative business and technical diagramming Software teams needing UML and code engineering
Pricing model Free plan + paid Paid
Starting price — $129.99/user/yr
Free plan ✓ (best) —
Free trial 7 days 20 days
Free trial length 7 days 20 days
Deployment Cloud Desktop
Platforms Web Windows, macOS, Linux
Support Community, Docs Docs
Integrations 100+ integrations 3 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Lucidchart 2/3 · Astah Professional 1/3
Real-time collaboration ✓ (best) —
Desktop app — ✓ (best)
Version history ✓ (best) —
Specs
Diagram types flowcharts, org charts, entity relationship diagrams, sequence diagrams, mind maps, UML/class diagrams, process 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 PDF, PNG, JPEG, SVG, VSDX, VDX, JSON, CSV, BPMN JPEG, PNG, EMF, SVG, RTF, HTML, CSV, XML, CMOF
Import formats VSDX, VSD, VDX, JPEG, PNG, .drawio, XML, BPMN, XPDL, OmniGraffle flat files Excel, XML
Maximum editors Not checked yet Not checked yet
Our review
Pros
  • Supports business, technical, process, and data diagram types
  • Real-time collaboration plus revision history with restore support
  • Links data from Google Sheets, Excel, and CSV sources
  • 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
  • Access is limited to the web platform
  • The Free plan allows only 3 editable documents
  • The paid Individual plan starts at $9 per month
  • 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

Lucidchart is a cloud-based workspace for creating diagrams, visualizing data, documenting processes, and collaborating with others. It suits business and technical teams working on flowcharts, UML diagrams, entity relationship diagrams,…

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. LucidchartDiagram Software 9.0Free plan · 7-day trial
  2. Astah ProfessionalDiagram Software 6.920-day trial

Strengths and trade-offs

  • Lucidchart — where it wins

    • Supports business, technical, process, and data diagram types
    • Real-time collaboration plus revision history with restore support
    • Links data from Google Sheets, Excel, and CSV sources

    Where it doesn't

    • Access is limited to the web platform
    • The Free plan allows only 3 editable documents
    • The paid Individual plan starts at $9 per month
  • 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
  • Lucidchart9.0/10 · Free plan · 7-day trial

    A broad, collaborative diagramming workspace with a free tier and web-only access.

    Visit LucidchartFull 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