# PIX4Dcatch vs Proceq GPR Subsurface

The clearest difference is in-app purchases: Proceq GPR Subsurface at none against PIX4Dcatch's 1. Proceq GPR Subsurface also leads on rating (5.0 vs 4.7) and review sentiment (50% vs 33%). PIX4Dcatch's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (262 vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. PIX4Dcatch sells 1 in-app purchase, starting at $159.00 per month. Proceq GPR Subsurface asks for nothing beyond the download.

Proceq GPR Subsurface holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PIX4Dcatch has 262 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of PIX4Dcatch's written reviews are positive against 50% of Proceq GPR Subsurface's.

PIX4Dcatch ships an update fortnightly, Proceq GPR Subsurface every 3 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PIX4Dcatch | Proceq GPR Subsurface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (262 ratings)](https://appshunter.io/ios/app/pix4dcatch-3d-scanner/id1511483044/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/proceq-gpr-subsurface/id1524783895/reviews)** |
| Number of ratings | **262** | 3 |
| Positive reviews | 32.5% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 320 MB | 1.1 GB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pix4D](https://appshunter.io/developer/952725638) | [Screening Eagle Technologies](https://appshunter.io/developer/1515215362) |

## 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


### Proceq GPR Subsurface

[App page](https://appshunter.io/ios/app/proceq-gpr-subsurface/id1524783895)

This application uses radar technology to create detailed 3D images of underground structures. It helps detect utilities, verify as-built maps, and perform structural investigations with intuitive on-site analysis and cloud collaboration features.

**Highlights:** Subsurface 3D imaging, Utility line detection, As-built map verification, Real-time Augmented Reality visualization, On-site data annotation, Cloud-based collaboration and export

**In-app purchases:** none


## Frequently asked questions

### Is PIX4Dcatch free?

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

### Is Proceq GPR Subsurface free?

Proceq GPR Subsurface is free to download, with no in-app purchases.

### Which has better reviews, PIX4Dcatch or Proceq GPR Subsurface?

Proceq GPR Subsurface is rated higher. PIX4Dcatch averages 4.7 out of 5 from 262 ratings, while Proceq GPR Subsurface averages 5.0 from 3 ratings.

### Do PIX4Dcatch or Proceq GPR Subsurface have ads?

Neither PIX4Dcatch nor Proceq GPR Subsurface shows ads.

### Which is updated more often, PIX4Dcatch or Proceq GPR Subsurface?

PIX4Dcatch ships an update fortnightly, and Proceq GPR Subsurface every 3 months. Most recently, PIX4Dcatch was updated on September 24, 2026 and Proceq GPR Subsurface on September 15, 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.*