Audience
Software architects, developers, and development teams
About Astah Professional
Astah Professional is an all-in-one modeling tool for software and system design, developed by Change Vision, Inc. It supports UML 2.x, ER diagrams, data flow diagrams (DFD), flowcharts, requirement diagrams, CRUD, and mind maps in a single tool.
Unlike drawing tools, Astah creates models: a change to a model element is reflected in every diagram that uses it, so your diagrams stay consistent.
AI features include AI Chat Copilot and AI-assisted code reverse engineering, which use your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service. A local MCP server lets external AI agents work with your Astah models. Conventional reverse engineering of Java, C#, and C++ code is also included.
Astah Professional is a desktop application for Windows, macOS, and Linux, with a bundled Java runtime, so no separate Java installation is required. A 20-day free trial is available.
Latest version: 12.0 (released July 15, 2026).
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Pricing
Starting Price:
$11.99 per month
Pricing Details:
Available from $11.99 per month.
Monthly, annual, or perpetual licenses. 20-day free trial.
Monthly, annual, or perpetual licenses. 20-day free trial.
Free Trial:
Free Trial available.
Integrations
Company Information
Change Vision, Inc.
Founded: 2006
Tokyo, Japan
astah.net/products/astah-professional/
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Product Details
Platforms Supported
Windows
Mac
Linux
On-Premises
Training
Documentation
Videos
Support
Online
Astah Professional Frequently Asked Questions
Q: What kinds of users and organization types does Astah Professional work with?
Astah Professional works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does Astah Professional support in their product?
Astah Professional supports these languages: English and Japanese.
Q: What kind of support options does Astah Professional offer?
Astah Professional offers support via online.
Q: What other applications or services does Astah Professional integrate with?
Astah Professional integrates with: Azure OpenAI Service, C++, C#, Claude Duet, Claude for Legal, Claude, Microsoft Excel, Gemini, HTML, Java, Mermaid, Microsoft 365, OpenAI, PHP, and Redmine.
Q: What type of training does Astah Professional provide?
Astah Professional provides training in the form of documentation and videos.
Q: Does Astah Professional offer a free trial?
Yes, Astah Professional offers a free trial.
Q: How much does Astah Professional cost?
Pricing for Astah Professional starts at $11.99 per month.
Q: What pricing for support is available for Astah Professional?
Astah Professional offers support included with purchase and additional fee / premium available.
Q: What pricing for training is available for Astah Professional?
Astah Professional offers training included with purchase.
Astah Professional Product Features
Diagram
Data Import / Export
Supported
Drag & Drop
Supported
Flowchart
Supported
For Developers
Supported
Mind Map
Supported
Multi-User Collaboration
Supported
Templates
Supported
Organizational Charting
Not Supported
Flowchart
Diagramming
Supported
Drag & Drop
Supported
Templates
Supported
Text to Chart
Supported
Collaboration
Not Supported
Organizational Charting
Not Supported
Process Mapping
Not Supported
Revision Management
Not Supported
Mind Mapping
Brainstorming
Supported
Flowchart
Supported
Project Planning
Supported
Templates
Supported
Presentation Tools
Not Supported
Publishing / Sharing
Not Supported
