Lumis 3D vs STL Simple Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lumis 3D
Transport photorealistic 3D models with their full functionality and rendering quality to any location. Access and share all your Lumis 3D documents, including images, videos, and presentations, in real-time or offline.
- Real-time rendering
- Offline mode with pre-rendered scenarios
- Access to all Lumis 3D documents
- Share current view via other apps
- Intuitive 3D navigation
- Supports camera and model animations
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The ultimate mobility solution: together with Lumis 3D, use your iPad or iPhone to transport your photorealistic 3D models, all of their functions, and the rendering quality to make them stand out wherever you take them. Lumiscaphe’s photorealistic 3D models are trusted by leading industry designers and engineers from many sectors: automotive, aeronautics, transportation, lifestyle & luxury goods, industrial equipment, consumer goods, architecture & construction, design & studio work, and emerging industries. This app requires a preexisting Lumis 3D account. ESSENTIAL FEATURES - Real-time rendering - Pre-rendered scenarios (offline mode) - Online and offline modes - Send current view via other installed apps including Facebook, email… - Access to all Lumis 3D documents: images, videos, pdfs, presentations… - Lightweight app leaves more room for your models - UHD/Retina resolutions supported natively - Choose what you synchronize SUPPORTED 3D MODEL FUNCTIONS - Previews - 3D 360-degree views, cubic interior views, stationary views - Intuitive 3D navigation - Configuration settings - Apply configured materials, environments, lighting, geometric variants - Camera and Model animations - Published models
STL Simple Viewer
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.
- View ASCII and Binary STL files
- Load STL from ZIP
- Rotate, pan, and zoom
- Orthogonal and Perspective modes
- Model info (triangle count, bounding box)
- Rendering options (faces, edges, transparency)
- Clipping plane for interiors
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STL Simple Viewer is a great app to quickly view STL, 3MF & DXF 3D files and export them to the most commonly used CAD formats. Features: - Supports STL files both ASCII and Binary formats. - Supports 3MF & DXF files. - Load files directly from ZIP archives. - Export to DXF, OBJ, DAE, PLY, USD, STL & 3MF. - Measure distances between points within your model. - Rotate, pan, and zoom models with intuitive touch controls. - Configure rendering options: faces, edges, points, background and transparency. - Render using a clipping plane (useful for viewing model interiors). - View models in Orthographic or Perspective mode. - Obtain model information including triangle count, bounding box, surface area, and volume. Privacy Policy: https://www.boviosoft.com/apps/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ For support or questions: support@boviosoft.com
Screenshots
Verdict
The clearest difference is review sentiment: Lumis 3D at 100% against STL Simple Viewer's 18%. Lumis 3D also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 4). STL Simple Viewer's advantage is ratings volume (918 vs 1). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. Lumis 3D asks for nothing beyond the download.
Lumis 3D holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: STL Simple Viewer has 918 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Lumis 3D's written reviews are positive against 18% of STL Simple Viewer's.
Lumis 3D ships an update every 5 weeks, STL Simple Viewer every 5 months. The most recent releases landed on October 19, 2026 and October 26, 2026 respectively.
| Parameter | Lumis 3D | STL Simple Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.3 (918 ratings) |
| Positive reviews | 100.0% of reviews — better | 18.1% of reviews |
| Number of ratings | 1 | 918 — better |
| Update frequency | Every 5 weeks — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 190 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Lumiscaphe | Victor Bovio |
Customer experience
Lumis 3D
STL Simple Viewer
Bugs and requests
Lumis 3D
Not enough reviews yet to summarise bugs or requests.
STL Simple Viewer
Reported bugs
3 issues- App crashes when opening larger STL files
- Inability to open some file formats
- Ads continue to appear even after paying for ad removal
Requested features
3 requests- Add ability to save color/lighting settings
- Improve stability and reduce crashes
- Provide an ad-free paid version
In-app purchases
Lumis 3D
No in-app purchases
STL Simple Viewer
- Pro version (1 week plan)$0.997 Days
- Pro version (1 month plan)3 Days trial$1.991 Month
- Remove Ads$2.99
- Export Pack$3.99
