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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Astah Professional

    N/AN/AAstah Professional is a desktop modeling tool developed by Change Vision, Inc. It combines UML, ER diagrams, data flow diagrams, flowcharts, and mind maps in a single application. It is aimed at software architects and development teams who model across more than one notation. Deployment Astah Professional is an installable desktop application for Windows, macOS, and Linux. It is not a cloud or SaaS product. Models are saved as local files, so the tool…

    $11.99

    per month per user

    OmniGraffle

    Score9.8 out of 10
    N/AOmniGraffle is a wireframing tool for Mac users.N/A
    Pricing
    Astah ProfessionalOmniGraffle
    Editions & Modules
    Monthly subscription
    $11.99
    per month per user
    Academic license
    $48
    per year per user
    Annual subscription
    $129.99
    per year per user
    Organizational license
    $140
    per year per user
    Floating license
    $230
    per year per seat
    Perpetual license
    $279
    one-time fee per user
    No answers on this topic
    Offerings
    Pricing Offerings
    Astah ProfessionalOmniGraffle
    Free Trial
    YesNo
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional DetailsAstah Professional is available under six license types: a monthly subscription ($11.99/month), an annual subscription ($129.99/year), a perpetual license ($279), a floating license ($230), an organizational license ($140), and an academic license ($48). A 20-day free trial is available. AI features (AI Chat Copilot, the MCP server, and AI-Powered Code Reverse) require the user's own API key for a supported AI service: OpenAI, Azure OpenAI, Anthropic Claude, Google Gemini, or an OpenAI-compatible endpoint. API usage is billed separately by the AI provider and is not included in the Astah license price. Astah Viewer, which opens Astah Professional models for review, is free.—
    More Pricing Information
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    All AlternativesView all alternativesView all alternatives
    User Ratings
    Astah ProfessionalOmniGraffle
    Likelihood to Recommend
    -
    (0 ratings)
    10.0
    (18 ratings)
    Likelihood to Renew
    -
    (0 ratings)
    10.0
    (1 ratings)
    Support Rating
    -
    (0 ratings)
    10.0
    (1 ratings)
    User Testimonials
    Astah ProfessionalOmniGraffle
    Likelihood to Recommend
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    Omnigraffle is great for documentation, mapping, flowcharting, and other technical diagramming scenarios. It's simple enough to bang out a quick illustration and powerful enough to build complex blueprints for complicated technical systems. If you need cross-platform compatibility, though, you're probably better off looking elsewhere. If you want complex integration with data sources (ala Visio's SQL Server integration for shape metadata), OmniGraffle also falls short — but those scenarios are few and far between in my experience.
    Incentivized
    Read full review
    Pros
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    • OmniGraffle is fairly simple to use, but the one thing I think it does best is working with curved lines, particularly if you are using some of the available arc templates. Drop an arc onto your page, then tell it the dimensions it needs to be, and viola! Done. Manipulating the arcs is as simple as clicking and dragging offset points.
    • OmniGraffle has also done an excellent job in stirring up the creative minds of many people who create templates and tools to work with OmniGraffle (not that Microsoft hasn't done so either), and managed to get the bulk of those into well organized repositories.
    • What it all boils down to for me is: it just works. One doesn't need to have a computer science degree to work with it either. It is as simple or complex as you want it to be.
    Incentivized
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    Cons
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    • I'd love to be able to keep more than one of the different tool tabs open at a time.
    • The stencils are amazing. Would be great if a whole lot more of the free ones came standard as opposed to having to download them from Graffletopia or other sites.
    • Built in tutorials would be great.
    Incentivized
    Read full review
    Likelihood to Renew
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    Best product for my needs on the market
    Incentivized
    Read full review
    Support Rating
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    OmniGraffle is an excellent application for chart and diagrams development. Been using it for a while now and it's a multiple platform application.
    Incentivized
    Read full review
    Alternatives Considered
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    While these other tools are great for what they are, OmniGraffle’s solid focus on and support for diagramming makes it our tool of choice for communicating workflows and concept relationships, creating documentation, and creating other diagrams. Its libraries allow us to create designs quickly, and its ease of use enables us to use the tool widely across the company without much time or effort spent on onboarding.
    Incentivized
    Read full review
    Return on Investment
    Change Vision Inc.
    No answers on this topic
    The Omni Group
    • Omnigraffle isn't an expensive software tool, so there isn't really any negative from the perspective of raw cost. Thinking in terms of time spent using it on a project - what you create in omnigraffle will inevitably lead to a dead end. It's useful only as documentation. There are other tools like Sketch that integrate into prototyping software and can create useable visual assets for applications in addition to being able to create wireframes.
    Incentivized
    Read full review
    ScreenShots

    Astah Professional Screenshots

    Screenshot of UML class diagram built with AI Chat Copilot in Astah Professional. Describe your design in plain language and Copilot creates and updates the model.Screenshot of UML sequence diagram created with AI Chat Copilot, showing how objects exchange messages step by step.Screenshot of ER diagram for an online shop generated with AI Chat Copilot, with tables, primary and foreign keys, and relationships color-coded by domain.