# 3d Scanner App™ vs Pipe Flow Gas Pressure Drop

The clearest difference is ads: Pipe Flow Gas Pressure Drop at none against 3d Scanner App™'s shown. Pipe Flow Gas Pressure Drop also leads on monetization model (free vs freemium) and rating (4.8 vs 4.5). 3d Scanner App™'s advantage is ratings volume (16K vs 13). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 3d Scanner App™ sells 8 in-app purchases, starting at $2.99 per 7 days and Pipe Flow Gas Pressure Drop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pipe Flow Gas Pressure Drop holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: 3d Scanner App™ has 16K ratings behind it against 13, so its average is the more settled of the two.

3d Scanner App™ ships an update monthly, Pipe Flow Gas Pressure Drop fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 3d Scanner App™ | Pipe Flow Gas Pressure Drop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (16K ratings)](https://appshunter.io/ios/app/3d-scanner-app/id1419913995/reviews) | **[4.8 (13 ratings)](https://appshunter.io/ios/app/pipe-flow-gas-pressure-drop/id1582666236/reviews)** |
| Number of ratings | **16K** | 13 |
| Positive reviews | 44.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | **Free** |
| Size | 208 MB | 67 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AI Photo Editor Lab SRL](https://appshunter.io/developer/1739825677) | [Pipe Flow Software](https://appshunter.io/developer/1193064957) |

## What reviewers say

### 3d Scanner App™

[App page](https://appshunter.io/ios/app/3d-scanner-app/id1419913995)

Transform your device into a powerful 3D scanner using LIDAR or TrueDepth technology. Capture spaces and objects in full-color 3D, edit scans, and share them in various popular formats for professional workflows or personal projects.

**Highlights:** LIDAR and TrueDepth scanning, Full-color 3D capture, Multiple export formats (OBJ, GLTF, STL, etc.), Geo-referenced LAS export for GIS, On-device editing tools, Augmented reality viewing, Photo Mode for detailed models

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium | $2.99 | per 7 days |
| Weekly premium | $2.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Yearly premium | $29.99 | per year |
| Yearly premium | $29.99 | per year |
| Yearly premium | $69.99 | per year |
| Yearly premium | $69.99 | per year |

**What reviewers like**

- 🚀 Powerful scanning capabilities
- 👍 Easy to use and intuitive
- 🔒 Fully on-device processing
- 💡 Impressive free app with great features
- 🚀 Fast and efficient scanning

**What reviewers complain about**

- 🐛 Crashes when using high-resolution mode
- 🐛 Difficulty scanning small objects
- 🐛 Occasional issues with texture rendering
- 🐛 Compatibility issues with older devices
- 🐛 Scans can have gaps or distortions

**Reported bugs**

- Crashes when trying to texture or refine scans
- Scans sometimes become corrupted or lose data
- Issues with scanning in low light conditions

**Requested features**

- Add ability to retouch or edit scans
- Improve compatibility with CAD/3D software
- Introduce more customization options for scanning
- Provide better documentation and tutorials
- Add support for measuring distances and volumes


### Pipe Flow Gas Pressure Drop

[App page](https://appshunter.io/ios/app/pipe-flow-gas-pressure-drop/id1582666236)

This app calculates gas pressure loss in pipes using various compressible flow equations. It automatically handles gas density changes and provides detailed results including Reynolds number and friction factors. Users can customize pipe materials, fittings, and gases from integrated or custom databases.

**Highlights:** Friction and fitting loss calculations, Multiple compressible flow equations, Automatic gas density handling, Customizable pipe, fitting, and gas data, Imperial and Metric unit support, Professional Excel and PDF reports, Results verification against published data

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Gas Pressure Drop | $4.99 | one-time |


## Frequently asked questions

### Is 3d Scanner App™ free?

3d Scanner App™ is free to download, with in-app purchases available.

### Is Pipe Flow Gas Pressure Drop free?

Pipe Flow Gas Pressure Drop is free to download, with in-app purchases available.

### Which has better reviews, 3d Scanner App™ or Pipe Flow Gas Pressure Drop?

Pipe Flow Gas Pressure Drop is rated higher. 3d Scanner App™ averages 4.5 out of 5 from 16K ratings, while Pipe Flow Gas Pressure Drop averages 4.8 from 13 ratings.

### Do 3d Scanner App™ or Pipe Flow Gas Pressure Drop have ads?

3d Scanner App™ shows ads; Pipe Flow Gas Pressure Drop does not.

### Which is updated more often, 3d Scanner App™ or Pipe Flow Gas Pressure Drop?

3d Scanner App™ ships an update monthly, and Pipe Flow Gas Pressure Drop fortnightly. Most recently, 3d Scanner App™ was updated on November 6, 2026 and Pipe Flow Gas Pressure Drop on November 3, 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.*