# PIX4Dcatch vs Memo 3D Scanner

The clearest difference is review sentiment: Memo 3D Scanner at 100% against PIX4Dcatch's 33%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PIX4Dcatch sells 1 in-app purchase, starting at $159.00 per month and Memo 3D Scanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PIX4Dcatch ships an update every 2 weeks, Memo 3D Scanner weekly. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PIX4Dcatch | Memo 3D Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (267 ratings)](https://appshunter.io/ios/app/pix4dcatch-3d-scanner/id1511483044/reviews)** | — |
| Number of ratings | **267** | — |
| Positive reviews | 32.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 239 MB | 15 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pix4D](https://appshunter.io/developer/952725638) | [耿芳 王](https://appshunter.io/developer/6791396571) |

## What reviewers say

### PIX4Dcatch

[App page](https://appshunter.io/ios/app/pix4dcatch-3d-scanner/id1511483044)

Transform your mobile device into a powerful 3D scanner. Capture images and LiDAR data to create accurate 3D models for professional use. Visualize, measure, and share your creations in AR.

**Highlights:** 3D model creation from images and LiDAR, RTK device compatibility for centimeter accuracy, Live feedback during capture, Augmented reality (AR) model visualization, Cloud processing and desktop export options, Measurement and geolocation capabilities

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PIX4Dcatch Professional | $159.00 | per month |

**What reviewers like**

- 👍 Great idea for photogrammetry
- 🚀 Works well for professional use
- 👍 Consistently gets survey grade results
- 👍 Useful as an additional survey tool
- 👍 Amazing, game changer

**What reviewers complain about**

- 💰 Very expensive subscription
- 💰 High monthly subscription cost
- 💰 Way too expensive for small objects
- 💰 Unclear cost structure
- 💰 Credits add up unexpectedly

**Reported bugs**

- App crashes or shows SDK error with Emlid RX
- Upload doesn't work for Dropbox or OneDrive
- Mesh doesn't display like past versions
- Cannot build an accurate model
- App locks out

**Requested features**

- Make it possible to work with any GNSS through NMEA Protocol
- Export GCP's in GPS coordinates as well
- Add instructions or tips
- Allow export to local device instead of cloud
- Allow export of images to PC for free


### 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 PIX4Dcatch free?

PIX4Dcatch is free to download, with in-app purchases available.

### Is Memo 3D Scanner free?

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

### Do PIX4Dcatch or Memo 3D Scanner have ads?

Neither PIX4Dcatch nor Memo 3D Scanner shows ads.

### Which is updated more often, PIX4Dcatch or Memo 3D Scanner?

PIX4Dcatch ships an update every 2 weeks, and Memo 3D Scanner weekly. Most recently, PIX4Dcatch was updated on November 7, 2026 and Memo 3D Scanner on November 6, 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.*