# Scan4D vs Memo 3D Scanner

The clearest difference is in-app purchases: Scan4D at none against Memo 3D Scanner's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memo 3D Scanner sells 1 one-off in-app purchase. Scan4D asks for nothing beyond the download.

## The numbers

| Metric | Scan4D | Memo 3D Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memo-3d-scanner/id6791409163/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 14 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Rowe](https://appshunter.io/developer/1184540212) | [耿芳 王](https://appshunter.io/developer/6791396571) |

## What reviewers say

### Scan4D

[App page](https://appshunter.io/ios/app/scan4d/id6760872918)

**Features:** macOS Compatibility

**In-app purchases:** none


### Memo 3D Scanner

[App page](https://appshunter.io/ios/app/memo-3d-scanner/id6791409163)

Capture 3D scenes with high accuracy and train them on your device. This app refines camera tracking and uses depth estimation for faster, stable 3DGS training. Your data stays private, processed entirely on your iPhone.

**Highlights:** High-accuracy COLMAP-compatible capture data export, Refined ARKit camera pose tracking, Diffusion-based depth estimation, On-device 3D Gaussian Splatting training, Export camera-path videos and scene files, Privacy-focused, no cloud processing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo PRO | $34.99 | one-time |


## Frequently asked questions

### Is Scan4D free?

Scan4D is free to download, with no in-app purchases.

### Is Memo 3D Scanner free?

Memo 3D Scanner is free to download, with in-app purchases available.

### Do Scan4D or Memo 3D Scanner have ads?

Neither Scan4D nor Memo 3D Scanner shows ads.

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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.*