# PIX4Dcatch vs NTRIP STX

The clearest difference is update cadence: PIX4Dcatch at fortnightly against NTRIP STX's every 10 months. NTRIP STX's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases 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 and NTRIP STX sells 2 in-app purchases, starting at $4.49 per month. Whichever you choose, the download price is not the number that matters.

PIX4Dcatch ships an update fortnightly, NTRIP STX every 10 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | PIX4Dcatch | NTRIP STX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (262 ratings)](https://appshunter.io/ios/app/pix4dcatch-3d-scanner/id1511483044/reviews)** | — |
| Number of ratings | **262** | — |
| Positive reviews | 32.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 320 MB | 109 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pix4D](https://appshunter.io/developer/952725638) | [ITS Geo Solutions GmbH](https://appshunter.io/developer/1362963860) |

## 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


### NTRIP STX

[App page](https://appshunter.io/ios/app/ntrip-stx/id1606816934)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional - Monthly | $4.49 | per month |
| Professional - Annual | $46.99 | per year |


## Frequently asked questions

### Is PIX4Dcatch free?

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

### Is NTRIP STX free?

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

### Do PIX4Dcatch or NTRIP STX have ads?

Neither PIX4Dcatch nor NTRIP STX shows ads.

### Which is updated more often, PIX4Dcatch or NTRIP STX?

PIX4Dcatch ships an update fortnightly, and NTRIP STX every 10 months. Most recently, PIX4Dcatch was updated on September 24, 2026 and NTRIP STX on September 8, 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.*