# STL Master vs 3D Object & Room Scanner

STL Master and 3D Object & Room Scanner both sit at 4.2 stars, but that hides the real split: 86% of STL Master's written reviews are positive against 33% of 3D Object & Room Scanner's. STL Master also leads on in-app purchases (none vs 3) and ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 3D Object & Room Scanner sells 3 in-app purchases, starting at $0.99 per month. STL Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for STL Master against 4.3 for 3D Object & Room Scanner. Both are backed by a comparable volume of ratings — 51 and 27 respectively. Written reviews are what separate them: 86% of STL Master's written reviews are positive against 33% of 3D Object & Room Scanner's.

STL Master ships an update monthly, 3D Object & Room Scanner every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | STL Master | 3D Object & Room Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (51 ratings)](https://appshunter.io/ios/app/stl-master/id1435885139/reviews) | **[4.3 (27 ratings)](https://appshunter.io/ios/app/3d-object-and-room-scanner/id6480382590/reviews)** |
| Number of ratings | **51** | 27 |
| Positive reviews | **86.1% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 34 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JA Logic Labs LLC](https://appshunter.io/developer/1745984849) | [Nicolo Stanciu](https://appshunter.io/developer/930855677) |

## 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


### 3D Object & Room Scanner

[App page](https://appshunter.io/ios/app/3d-object-and-room-scanner/id6480382590)

Capture real-world objects and spaces in 3D using your device's LiDAR sensor. View scans in AR, export them in various formats, and sync them across devices. Ideal for hobbyists, designers, and anyone interested in 3D modeling and augmented reality.

**Highlights:** 3D scanning of objects and spaces, AR viewing of scans, Export in USDZ, STL, PLY, ABC, OBJ, Video capture of 3D models, iCloud Sync for models, Requires LiDAR-enabled iPhone/iPad

**Features:** Family Sharing, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $0.99 | per month |
| Unlimited Yearly | $9.99 | per year |
| Unlimited Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is STL Master free?

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

### Is 3D Object & Room Scanner free?

3D Object & Room Scanner is free to download, with in-app purchases available.

### Which has better reviews, STL Master or 3D Object & Room Scanner?

3D Object & Room Scanner is rated higher. STL Master averages 4.2 out of 5 from 51 ratings, while 3D Object & Room Scanner averages 4.3 from 27 ratings.

### Do STL Master or 3D Object & Room Scanner have ads?

3D Object & Room Scanner shows ads; STL Master does not.

### Which is updated more often, STL Master or 3D Object & Room Scanner?

STL Master ships an update monthly, and 3D Object & Room Scanner every 2 months. Most recently, STL Master was updated on October 24, 2026 and 3D Object & Room Scanner on October 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.*