Easily view and interact with 3D STL CAD models. Supports various file types and offers advanced rendering options for detailed analysis. Get model information and explore interiors with clipping planes.
Summarized from real user reviews of STL Simple Viewer. Based on 847 reviews and a 4.3/5 average, it highlights the 3 positives and 4 negatives reviewers mention most about this Productivity app.
2.0
June 29, 2026
* Major UI refresh using Apple's latest technologies. * New enhanced graphics toolbar with: * Distance measurement between two points. * Zoom to a selected rectangular area. * Quick toggle between Orthographic and Perspective views. * Option to hide the toolbar for maximum viewing space. * Improved performance when loading and viewing large STL files. * Enhanced color selection controls. * Added a ground grid for improved model visualization. * Added export to PLY format. * Enhanced Dark appearance & Landscape orientation. * Reduced ad frequency. * Bug fixes and stability improvements.
MoreAll Premium features for 1 week
$2.99
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3 issues
App crashes when opening larger STL files
Inability to open some file formats
3 requests
Add ability to save color/lighting settings
Improve stability and reduce crashes
STL Simple Viewer allows you to quickly view 3D STL CAD models. You can rotate, pan, and zoom to inspect the model from different angles. It also provides detailed information about the model and offers advanced rendering options.
The app supports both ASCII and Binary STL file formats. You can also load an STL file directly from a ZIP archive, making it convenient to manage your models.
The application is free to download and use, but it does include in-app purchases and advertisements. These may offer additional features or an ad-free experience.
You can obtain crucial information about your 3D model, including its triangle count, bounding box dimensions, surface area, and volume. This data is essential for analysis and further processing.
Yes, the app features a clipping plane option. This is particularly useful for viewing the interior structures of complex models without needing to see the entire object.
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