# STL Master vs RADIO CODE for AUDIO 5 CC

The clearest difference is price: STL Master at Free against RADIO CODE for AUDIO 5 CC's $24.99. STL Master also leads on update cadence (monthly vs every 25 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

STL Master is free to download; RADIO CODE for AUDIO 5 CC costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STL Master ships an update monthly, RADIO CODE for AUDIO 5 CC every 25 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | STL Master | RADIO CODE for AUDIO 5 CC |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | **[4.2 (51 ratings)](https://appshunter.io/ios/app/stl-master/id1435885139/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 86.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 25 months |
| Monetization | Free | — |
| Size | 68 MB | 58 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JA Logic Labs LLC](https://appshunter.io/developer/1745984849) | [Petr Svihovec](https://appshunter.io/developer/1655348937) |

## What reviewers say

### STL Master

[App page](https://appshunter.io/ios/app/stl-master/id1435885139)

View and interact with 3D models in augmented reality. Share instant screenshots and screen recordings of your designs directly from the app.

**Highlights:** STL file viewing, Augmented reality (AR) mode, Instant screenshots, Screen recording, Design sharing

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and smooth rendering performance
- 💰 Completely free with no ads or trackers
- 🎨 High-quality rendering and visualization
- 📱 Works well on mobile devices (iPhone, iPad)
- 🌐 AR (Augmented Reality) feature

**What reviewers complain about**

- 🐛 Frequent crashes and freezing
- 🖱️ Difficult object manipulation and navigation
- 🔍 Zoom limitations (hard to zoom out/in)
- ❌ Inconsistent file loading and orientation
- 🎨 Overly shiny/metallic default appearance

**Reported bugs**

- App crashes immediately on launch
- Files won't open or load
- Objects disappear when moved
- Inconsistent file orientation on load
- Markup mode traps user and requires app restart

**Requested features**

- More color and material options
- Unit measurement display and metric/standard conversion
- How-to video tutorials for hidden features
- Proper zoom in/out controls
- Object positioning/movement button


### RADIO CODE for AUDIO 5 CC

[App page](https://appshunter.io/ios/app/radio-code-for-audio-5-cc/id6468504259)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STL Master free?

STL Master is free to download, with no in-app purchases.

### Is RADIO CODE for AUDIO 5 CC free?

RADIO CODE for AUDIO 5 CC costs $24.99, with no in-app purchases.

### Do STL Master or RADIO CODE for AUDIO 5 CC have ads?

Neither STL Master nor RADIO CODE for AUDIO 5 CC shows ads.

### Which is updated more often, STL Master or RADIO CODE for AUDIO 5 CC?

STL Master ships an update monthly, and RADIO CODE for AUDIO 5 CC every 25 months. Most recently, STL Master was updated on October 24, 2026 and RADIO CODE for AUDIO 5 CC on October 9, 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.*