# STL Simple Viewer vs IFS Inforsure

The clearest difference is review sentiment: IFS Inforsure at 100% against STL Simple Viewer's 18%. IFS Inforsure also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 4). STL Simple Viewer's advantage is ratings volume (923 vs 4). On price and device support there is nothing between them.

Both are free to download. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. IFS Inforsure asks for nothing beyond the download.

IFS Inforsure 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 923 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 18% of STL Simple Viewer's written reviews are positive against 100% of IFS Inforsure's.

STL Simple Viewer ships an update every 5 months, IFS Inforsure monthly. The most recent releases landed on November 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | STL Simple Viewer | IFS Inforsure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (923 ratings)](https://appshunter.io/ios/app/stl-simple-viewer/id1493598400/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ifs-inforsure/id6503701877/reviews)** |
| Number of ratings | **923** | 4 |
| Positive reviews | 18.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 39 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Victor Bovio](https://appshunter.io/developer/327627515) | [Apex Global Solutions](https://appshunter.io/developer/903321221) |

## What reviewers say

### STL Simple Viewer

[App page](https://appshunter.io/ios/app/stl-simple-viewer/id1493598400)

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.

**Highlights:** 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

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version (1 week plan) | $0.99 | per 7 days |
| Pro version (1 month plan) | $1.99 | per month |
| Remove Ads | $2.99 | one-time |
| Export Pack | $3.99 | one-time |

**What reviewers like**

- 🚀 Simple and intuitive viewer
- 👍 Useful viewing options
- 💡 Supports multiple file formats

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔋 High battery consumption
- 🚨 Excessive and intrusive ads
- 🔍 Limited functionality for larger files

**Reported bugs**

- 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**

- Add ability to save color/lighting settings
- Improve stability and reduce crashes
- Provide an ad-free paid version


### IFS Inforsure

[App page](https://appshunter.io/ios/app/ifs-inforsure/id6503701877)

This app allows registered clients to access their shipping information. Users can view past shipments, generate shipping labels, and track current deliveries.

**Highlights:** View shipping history, Create shipping labels, View shipping labels, Track shipments

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

**In-app purchases:** none


## Frequently asked questions

### Is STL Simple Viewer free?

STL Simple Viewer is free to download, with in-app purchases available.

### Is IFS Inforsure free?

IFS Inforsure is free to download, with no in-app purchases.

### Which has better reviews, STL Simple Viewer or IFS Inforsure?

IFS Inforsure is rated higher. STL Simple Viewer averages 4.3 out of 5 from 923 ratings, while IFS Inforsure averages 5.0 from 4 ratings.

### Do STL Simple Viewer or IFS Inforsure have ads?

STL Simple Viewer shows ads; IFS Inforsure does not.

### Which is updated more often, STL Simple Viewer or IFS Inforsure?

STL Simple Viewer ships an update every 5 months, and IFS Inforsure monthly. Most recently, STL Simple Viewer was updated on November 3, 2026 and IFS Inforsure on October 8, 2026.

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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.*