Compare the Top Free Clash Detection Software as of October 2026

What is Free Clash Detection Software?

Clash detection software is used in construction and engineering to identify and resolve conflicts within 3D models, such as overlaps between structural, mechanical, or electrical elements. By analyzing Building Information Models (BIM), this software highlights design clashes early, reducing the risk of errors during construction. It provides visual reports and detailed information on each clash, allowing project teams to address issues before they become costly in the field. Integrated with other BIM tools, clash detection software improves collaboration by streamlining communication around detected conflicts. Ultimately, it helps save time, control project costs, and ensure a smoother construction process. Compare and read user reviews of the best Free Clash Detection software currently available using the table below. This list is updated regularly.

  • 1
    PlantFCE Model Builder

    PlantFCE Model Builder

    Storm Consulting

    Customize models, refine designs, and export with precision. PlantFCE Model Builder offers intuitive 3D modeling for process plants. Model Builder is useful when estimating costs for an engineering project. View real-time updates in the rendering window as you edit the scene. Low lock-in with PlantFCE Model Builder* Model Builder allows you to import and export 3D models from and to industry-standard 3D model formats like GLB, OBJ, and STL. With an automatic clash check, reduce errors and save time.** PlantFCE Model Builder's automatic clash check** reduces time spent on clash check sessions and gives you more time to work on your project. Download for Windows and Mac on the PlantFCE website. *Exporting through Model Builder does not include Model Builder specific functionality like properties set on objects or features specific to Model Builder. **Clash check will be released in version 2.
    Starting Price: $49/month/user
  • 2
    smino

    smino

    smino

    Better cooperation and more sustainable planning with automatic BIM model tests. BIM model checks ensure that your construction project is accurate and error-free by detecting and correcting errors in the model at an early stage. This saves you expensive and time-consuming corrections during the construction phase. Comparing models makes it possible to quickly identify and correct deviations. This means lower costs for you and on-time completion of the project. BIM model checks also allow you to improve collaboration and coordination within the team. Potential problems become visible as early as the planning phase, which increases efficiency and communication within the project team. With an optimized BIM workflow, the entire project execution becomes smoother. Ultimately, BIM helps to complete projects faster, more cost-efficiently, and with higher quality. For you, this means more transparency and security throughout the entire construction process.
    Starting Price: Free
  • 3
    BIMvision

    BIMvision

    BIMvision

    Monitoring the progress of construction works and aggregating current data from the construction site. BIMvision is a freeware IFC model viewer. It allows to view the virtual models coming from CAD systems like Revit, Archicad, BricsCAD BIM, Advance, DDS-CAD, Tekla, Nemetschek VectorWorks, Bentley, Allplan, Strakon, and others without the necessity of having commercial licenses of these systems or having each of particular vendor’s viewer. BIMvision visualizes the BIM models created in IFC format 2x3 and 4.0. It has many built-in features and is the first viewer with a plugin interface. Together with the association, our company is working on the implementation of buildingSMART and openBIM standards in Poland and around the world. BIMvision is a freeware IFC model viewer. BIMvision visualizes the BIM models created in IFC format 2×3 and 4.0. It has many built-in features and is the first viewer with a plugin interface.
    Starting Price: Free
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