Compare the Top 3D Viewers for iPhone as of August 2025

What are 3D Viewers for iPhone?

3D viewers software is used to view and interact with 3D file types and 3D objects on a computer. It provides an intuitive user interface, allowing users to rotate and zoom in on 3D models. Many of these viewers come with collaboration tools, enabling users to work together on the same model. Additionally, they offer advanced features such as simulation, version control, and scripting for more complex usage. Compare and read user reviews of the best 3D Viewers for iPhone currently available using the table below. This list is updated regularly.

  • 1
    Sayduck

    Sayduck

    Sayduck

    Drive product engagement with 3D and Augmented Reality. Sayduck helps world leading design brands to drive product engagement and inspire customer confidence. Publish and share your products on Sayduck. Our 3D Viewer provides an engaging and fully interactive way to present products online in photorealistic visual quality. It can easily be embedded on any website. The Sayduck app allows customers to virtually ‘try out’ products in their own environment – in precise scale and realistic materials. Our 3D creation service will create stunningly realistic models of products for all your visualisation needs.
    Starting Price: $99 per month
  • 2
    Reydar

    Reydar

    Reydar

    Our immersive 3D, AR, and metaverse solutions are designed to bring your products to life anytime, anywhere. Immersive 3D products are at the heart of the metaverse, but bringing your 3D asset to life across the web, augmented reality, and beyond is complex and costly. That all changes with Reydar. We are adding a new dimension to product experiences, allowing you to unleash your product’s potential on a wide range of devices and in augmented and virtual spaces. Place products in the real world and explore them in high-quality and photorealistic 3D with Reydar 3D and AR viewers. Point Of Purchase displays and merchandising for your product ranges and collections with the Reydar 3D Viewer or Reydar Apps and Metaspaces’s. Ping products to life in context with a virtual branded store, showroom, or environment with a Reydar Virtual Metastore and Metaspace. High-quality 3D model creation, optimization, and management for web, AR, and the metaverse.
    Starting Price: Free
  • 3
    STL Simple Viewer

    STL Simple Viewer

    Victor Bovio

    STL Simple Viewer is a great app to quickly view 3D STL files. Supports both ASCII and Binary STL files. Load an STL from a ZIP file. Graphic operations for rotating, panning and zooming. View your model in orthogonal or perspective mode. Obtain info on the model: triangle count, bounding box, area, and volume. Set up rendering options, faces, edges, points, and transparency. Render using a clipping plane (useful for viewing interiors). App now remembers each file graphic setting. Added buttons for graphic operations.
    Starting Price: Free
  • 4
    CAD Assistant

    CAD Assistant

    Open Cascade

    Open Cascade CAD Assistant is a powerful offline 3D CAD viewer and converter with simple and intuitive interface, free for both personal and commercial use. Originally developed as a testbed and showcase for the Open CASCADE Technology on mobile platforms, the solution has been appreciated as fast and handy 3D viewer by thousands of end-users on mobiles and desktops worldwide. CAD Assistant brings the power of open technologies to the hands of engineers working with 3D data. CAD Assistant is based on open source libraries (Open CASCADE Technology, Qt, FreeType, FreeImage, etc.) and employs open formats for CAD and mesh data (STEP, IFC, IGES, BREP, glTF, JT, PLY, STL, OBJ, 3DM). It also supports a set of other file formats like DXF, SAT (ACIS), XT (Parasolid). Viewing mesh models with associated data is an additional functionality included in CAD Assistant. Mesh can be read from files in PLY format.
    Starting Price: Free
  • 5
    Glovius CAD Viewer
    Simple and easy-to-use CAD Viewers with powerful tools for visualization, analysis, collaboration, reporting, and exporting CAD files. Take measurements, cut sections, compare revisions, analyze CAD parts and assemblies, create reports for collaboration, and export to STEP, 3DPDF, STL, and many more formats. Glovius comes with a free 2D viewer to view DWG, DXF, and CATDrawing files. View CAD files in your browser. No installation required. Upload and view popular CAD parts, assemblies, and drawing files. Link your Dropbox for automatic syncing. View 3D Geometry, Product Structure, PMI and GDnT, and Attributes information. Cut dynamic sections, take measurements, save Bill of Materials, and view essential component information. Share 3D files with a link, and embed models in websites. Glovius for iOS provides a simple and easy way to view, showcase, and collaborate on 3D CAD parts and assemblies from your iPhone and iPad, and view 3D parts and assemblies from popular CAD formats.
  • 6
    SimLab CAD Viewer
    SimLab CAD Viewer is a mobile application that allows you to view and navigate, on the go, computer-aided 3D designs and architectural models on iOS and Android devices. SimLab CAD Viewer reads the SimLab Archive File (.ZIM) exported either from SimLab Composer or the Android/iPad Exporter plug-in which is available for SketchUp, Rhino, SolidWorks, Inventor, 3ds Max, Maya, and Modo. The SimLab Archive Files (.ZIM) include all the necessary data needed for displaying models on smartphones and tablets. The data include geometries, colors, materials, textures, cameras, scene states, and animations. SimLab CAD Viewer is currently available for free and can be downloaded from the App Store (iOS) and Google play (Android). Upon launching SimLab CAD Viewer, list of pre-installed sample models appears to the user allowing him/her to start quickly in demonstrating the capabilities and the features that SimLab CAD View offers.
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