3D Model Viewer vs STL Viewer · Model File Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Model Viewer
View and interact with various 3D model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.
- AR and 3D viewing modes
- Supports numerous 3D file formats
- Local and cloud document integration
- Customizable backgrounds and shadows
- Model information display (size, volume, etc.)
- Multiple import and sharing options
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An advanced 3D model viewer for viewing all kinds of 3D models. Featuring AR viewing, custom rotation pivot and exploded assembly view. Preview mesh models including OBJ, STL, STP, DAE, PLY and Blend, supporting rendering, animation playback, 3D printing and model data inspection. Features 1. Support AR and 3D viewing modes. 2. Customizable background and environment lighting. 3. Animation preview for GLB, GLTF, FBX and more formats. 4. Real-time shadow casting. 5. Local & cloud document management (iCloud, DropBox, etc.). 6. Set custom rotation pivot point for model viewing. 7. Exploded view function to separate assembly parts. 8. Wide format support: STP, STEP, BERP, IGES, 3DS, OBJ, GLB, GLTF, STL, SLC, 3MF, PLY, OFF, DAE, Blend, FBX, USDZ, MD2, MD3, MD5, MDL, MS3D, DXF, X Read packaged archives containing models, MTL files and textures: ZIP, RAR. 9. Multiple import ways: iTunes File Sharing, AirDrop, iCloud, email attachments, web download. 10. File sharing via AirDrop or Email. 11. Capture, share and save screenshots. 12. Auto rotation and full-screen viewing mode. 13. Display model metrics: dimensions, volume, surface area, vertex count and triangle count. 14. Folder management in the file browser. If you have any suggestions or questions, please email belighten@gmail.com. Thank you for your support!
STL Viewer · Model File Reader
Quickly view and interact with 3D model files. Rotate, zoom, and project models into your environment using augmented reality. Offers customization options and multi-model support.
- Fast STL file viewing
- 3D model rotation and zoom
- Augmented Reality (AR) projection
- Customizable model and background colors
- Multi-model support
- Grid viewer and lighting options
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View your STL 3D model files at lightning speed. Instantly open even the most complex polygonal structures without delay. Rotate, zoom, change background and model color, multiple models reader, project your model into your home in real life with AR and see its dimensions and color harmony with your environment, grid viewer, lighting and much more. *Note: AR projection, multi models, ad-free and some premium customization features require PRO upgrade. Privacy Policy & Terms of Use (EULA): https://plusapkz.com/stl-viewer-model-file-reader/
Screenshots
Verdict
The clearest difference is review sentiment: 3D Model Viewer at 59% against STL Viewer · Model File Reader's 0%. On price, update cadence, ads and in-app purchases 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. 3D Model Viewer sells 5 one-off in-app purchases and STL Viewer · Model File Reader sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
3D Model Viewer ships an update every 3 weeks, STL Viewer · Model File Reader every 11 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.
| Parameter | 3D Model Viewer | STL Viewer · Model File Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (328 ratings) — better | — |
| Positive reviews | 59.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 328 — better | — |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 健 钟 | OMER FARUK KIZILTUG |
Customer experience
3D Model Viewer
STL Viewer · Model File Reader
Bugs and requests
3D Model Viewer
Reported bugs
3 issues- App crashes when trying to delete models
- Cannot open .3mf and .glb files
- Texture and shading issues with some models
Requested features
4 requests- Add support for more 3D file formats
- Improve model rendering quality
- Implement better file management options
- Provide more customization and control over model view
STL Viewer · Model File Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
3D Model Viewer
- Remove Ads$1.99
- Model & Screenshot Output$1.99
- Background from Album$1.99
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- Large File Model$1.99
- All Features$5.99
STL Viewer · Model File Reader
- Weekly Premium3 Days trial$1.997 Days
- Monthly Pro3 Days trial$4.991 Month
- Yearly Pro$19.991 Year
Questions
Is 3D Model Viewer free?
Is STL Viewer · Model File Reader free?
Do 3D Model Viewer or STL Viewer · Model File Reader have ads?
Which is updated more often, 3D Model Viewer or STL Viewer · Model File Reader?
Other comparisons
