# SolidInsight vs OBJ & MTL Simple Viewer

The clearest difference is review sentiment: SolidInsight at 100% against OBJ & MTL Simple Viewer's 13%. SolidInsight also leads on rating (4.4 vs 2.7) and ads (none vs shown). OBJ & MTL Simple Viewer's advantage is iOS requirement (11.0 vs 13.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. SolidInsight sells 3 in-app purchases, starting at $46.99 per year and OBJ & MTL Simple Viewer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SolidInsight holds the better App Store score, 4.4 against 2.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 100% of SolidInsight's written reviews are positive against 13% of OBJ & MTL Simple Viewer's.

## The numbers

| Metric | SolidInsight | OBJ & MTL Simple Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/solidinsight/id1601944650/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/obj-and-mtl-simple-viewer/id6469348754/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | **100.0% of reviews** | 12.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 258 MB | 13 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHANDONG HOTEAM SOFTWARE CO., LTD.](https://appshunter.io/developer/954963043) | [Victor Bovio](https://appshunter.io/developer/327627515) |

## What reviewers say

### SolidInsight

[App page](https://appshunter.io/ios/app/solidinsight/id1601944650)

View and collaborate on 2D and 3D CAD files on your mobile device without needing expensive desktop software. Measure designs, access properties, and share feedback instantly.

**Highlights:** Supports major 2D/3D CAD formats, View models and drawings on mobile, Measure design dimensions, Access design properties, Markup and share comments, Isolate/hide components, Browse assembly tree

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Annual Subscription | $46.99 | per year |
| Premium Annual Subscription | $94.99 | per year |
| Unlock features in a design | $0.99 | one-time |


### OBJ & MTL Simple Viewer

[App page](https://appshunter.io/ios/app/obj-and-mtl-simple-viewer/id6469348754)

Easily view and export 3D OBJ files with this application. It supports OBJ, MTL, and texture files, and allows for intuitive manipulation like rotating, panning, and zooming. Gain insights into your models with detailed information and customize rendering options for a better viewing experience.

**Highlights:** Load OBJ, MTL, and texture files, Load from ZIP files, Rotate, pan, and zoom 3D models, Orthogonal and perspective viewing modes, View model info (mesh, material, texture count), Customizable rendering options (faces, edges, points), Clipping plane for interior viewing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Export to STL, DXF | $1.99 | one-time |


## Frequently asked questions

### Is SolidInsight free?

SolidInsight is free to download, with in-app purchases available.

### Is OBJ & MTL Simple Viewer free?

OBJ & MTL Simple Viewer is free to download, with in-app purchases available.

### Which has better reviews, SolidInsight or OBJ & MTL Simple Viewer?

SolidInsight is rated higher. SolidInsight averages 4.4 out of 5 from 7 ratings, while OBJ & MTL Simple Viewer averages 2.7 from 3 ratings.

### Do SolidInsight or OBJ & MTL Simple Viewer have ads?

OBJ & MTL Simple Viewer shows ads; SolidInsight does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*