# PIX4Dcatch vs GCM Survey

The clearest difference is in-app purchases: GCM Survey at none against PIX4Dcatch's 1. GCM Survey also leads on update cadence (every 4 days vs every 2 weeks). PIX4Dcatch's advantage is iOS requirement (18.0 vs 26.0). On price, ads 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. GCM Survey asks for nothing beyond the download.

PIX4Dcatch ships an update every 2 weeks, GCM Survey every 4 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PIX4Dcatch | GCM Survey |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 239 MB | 8 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pix4D](https://appshunter.io/developer/952725638) | [Geosensors](https://appshunter.io/developer/1162783005) |

## 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


### GCM Survey

[App page](https://appshunter.io/ios/app/gcm-survey/id6789722644)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PIX4Dcatch free?

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

### Is GCM Survey free?

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

### Do PIX4Dcatch or GCM Survey have ads?

Neither PIX4Dcatch nor GCM Survey shows ads.

### Which is updated more often, PIX4Dcatch or GCM Survey?

PIX4Dcatch ships an update every 2 weeks, and GCM Survey every 4 days. Most recently, PIX4Dcatch was updated on October 29, 2026 and GCM Survey on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*