3D Model Viewer vs FRPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Model Viewer
Explore and interact with 3D models on your mobile device. Simulate the 3D printing process to identify potential issues before committing to a print. Visualize your models in augmented reality, adjusting scale and rotation within your real-world environment.
- View 3D models in real-time
- Rotate, zoom, and paint models
- Simulate 3D printing process
- View models in AR mode
- Adjust scale and rotation in AR
- Supports multiple 3D file formats
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Have you ever wanted to view and interact with 3D Models? 3D Model Viewer allows you to view compatible 3D Models using your mobile device. You can even simulate 3D Printing and view your model in AR mode! -- View 3D Models Import and view your 3D models in real time, rotating, zooming and painting! -- Simulate 3D Printing Watch a simulation of your model being 3D printed from bottom to top and identify any potential problems with the model without wasting any printing material! -- AR Mode View your 3D models inserted into the real world, being able to adjust scale and rotation! -- Compatible with many formats 3D Model Viewer supports the following formats: .stl, .obj*, .abc, .ply, .usdz, .usd, .usda, .dae *.obj files can be imported with textures in the format of a .zip file 3D Model Viewer is now available for all iOS devices!
FRPro
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The app empowers field staff, site engineers, and third- party reviewers to conduct inspections across multiple disciplines—including plumbing, electrical, mechanical, fire sprinklers, HVAC, and more. Reviewers can: - Record inspection results with notes and tags - Flag deficiencies or deviations from design - Upload annotated photos directly from the site - Assign corrective actions and notify responsible teams - Track resolution status and ensure compliance before sign-off These real-time capabilities help ensure that all field work is being executed according to approved plans and specifications. By increasing transparency, accountability, and speed of issue resolution, the app becomes an essential tool for quality control and regulatory compliance, helping teams avoid rework, meet inspection timelines, and keep projects moving forward without delays.
Screenshots
Verdict
The clearest difference is in-app purchases: FRPro at none against 3D Model Viewer's 1. FRPro also leads on iOS requirement (12.0 vs 15.6). 3D Model Viewer's advantage is update cadence (weekly vs every 3 weeks). On price, ads 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. 3D Model Viewer sells 1 one-off in-app purchase. FRPro asks for nothing beyond the download.
3D Model Viewer ships an update weekly, FRPro every 3 weeks. Both last shipped on October 30, 2026.
| Parameter | 3D Model Viewer | FRPro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (362 ratings) — better | — |
| Positive reviews | 20.5% of reviews | — |
| Number of ratings | 362 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA. | Gurpreet Purewal |
Bugs and requests
3D Model Viewer
Reported bugs
10 issues- App crashes immediately after upload
- App crashes when importing PLY files
- App crashes after payment
- App crashes when importing large files
- App crashes on iPad Pro
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- VR crashes
- Model centering limits viewing
- Paint function assigns random color
- Incorrect AR sizing
- Y axis is up in AR
Requested features
11 requests- Allow changing background color
- Allow changing lighting positions
- Add axis lock object rotation
- Add way to rotate side to side (turntable)
- Option to slow down rotation/movements
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- Add arrange by recent for downloaded STLs
- Add ability to list most recent STL at top
- Allow models to scale larger in AR mode
- Add free rotation
- Improve AR sizing accuracy
- Use Z axis as up for AR and print sim
FRPro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
3D Model Viewer
- Model Viewer Premium$1.99
FRPro
No in-app purchases









