# STL Simple Viewer vs CC Tool App

The clearest difference is review sentiment: CC Tool App at 88% against STL Simple Viewer's 18%. CC Tool App also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 4). STL Simple Viewer's advantage is ratings volume (909 vs 8). 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. CC Tool App asks for nothing beyond the download.

CC Tool App 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 909 ratings behind it against 8, 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 88% of CC Tool App's.

STL Simple Viewer ships an update every 5 months, CC Tool App every 2 days. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | STL Simple Viewer | CC Tool App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (909 ratings)](https://appshunter.io/ios/app/stl-simple-viewer/id1493598400/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/cc-tool-app/id6748864087/reviews)** |
| Number of ratings | **909** | 8 |
| Positive reviews | 18.1% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 22 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Victor Bovio](https://appshunter.io/developer/327627515) | [Walker Frederick](https://appshunter.io/developer/1487332727) |

## 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


### CC Tool App

[App page](https://appshunter.io/ios/app/cc-tool-app/id6748864087)

An open-source companion application designed for 3D printers based on CC and SDCP technologies. It provides users with essential tools and functionalities to manage and interact with their 3D printing devices.

**Highlights:** Open-source companion app, Supports CC and SDCP 3D printers, Essential tools for 3D printing, GitHub integration for development

**Features:** macOS Compatibility

**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 CC Tool App free?

CC Tool App is free to download, with no in-app purchases.

### Which has better reviews, STL Simple Viewer or CC Tool App?

CC Tool App is rated higher. STL Simple Viewer averages 4.3 out of 5 from 909 ratings, while CC Tool App averages 5.0 from 8 ratings.

### Do STL Simple Viewer or CC Tool App have ads?

STL Simple Viewer shows ads; CC Tool App does not.

### Which is updated more often, STL Simple Viewer or CC Tool App?

STL Simple Viewer ships an update every 5 months, and CC Tool App every 2 days. Most recently, STL Simple Viewer was updated on October 14, 2026 and CC Tool App on September 27, 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.*