# Schmidt Rebound Hammer vs PIX4Dcatch

The clearest difference is review sentiment: Schmidt Rebound Hammer at 100% against PIX4Dcatch's 33%. Schmidt Rebound Hammer also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.7). PIX4Dcatch's advantage is ratings volume (262 vs 2) and update cadence (fortnightly vs every 2 months). 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. Schmidt Rebound Hammer asks for nothing beyond the download.

Schmidt Rebound Hammer 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 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Schmidt Rebound Hammer's written reviews are positive against 33% of PIX4Dcatch's.

Schmidt Rebound Hammer ships an update every 2 months, PIX4Dcatch fortnightly. The most recent releases landed on August 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Schmidt Rebound Hammer | PIX4Dcatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/schmidt-rebound-hammer/id1239435876/reviews)** | [4.7 (262 ratings)](https://appshunter.io/ios/app/pix4dcatch-3d-scanner/id1511483044/reviews) |
| Number of ratings | 2 | **262** |
| Positive reviews | **100.0% of reviews** | 32.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 377 MB | 320 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Screening Eagle Technologies](https://appshunter.io/developer/1515215362) | [Pix4D](https://appshunter.io/developer/952725638) |

## What reviewers say

### Schmidt Rebound Hammer

[App page](https://appshunter.io/ios/app/schmidt-rebound-hammer/id1239435876)

This app enhances the functionality of Schmidt rebound hammers for concrete and rock testing. It automates calculations, allows custom curves, tracks verification, and generates PDF reports. Collaborate and share data easily through cloud synchronization.

**Highlights:** Automated rebound number calculation, Custom curve support, Verification tracking, Logbook for reporting, PDF report generation, Cloud-based sharing and synchronization

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Schmidt Rebound Hammer free?

Schmidt Rebound Hammer is free to download, with no in-app purchases.

### Is PIX4Dcatch free?

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

### Which has better reviews, Schmidt Rebound Hammer or PIX4Dcatch?

Schmidt Rebound Hammer is rated higher. Schmidt Rebound Hammer averages 5.0 out of 5 from 2 ratings, while PIX4Dcatch averages 4.7 from 262 ratings.

### Do Schmidt Rebound Hammer or PIX4Dcatch have ads?

Neither Schmidt Rebound Hammer nor PIX4Dcatch shows ads.

### Which is updated more often, Schmidt Rebound Hammer or PIX4Dcatch?

Schmidt Rebound Hammer ships an update every 2 months, and PIX4Dcatch fortnightly. Most recently, Schmidt Rebound Hammer was updated on August 22, 2026 and PIX4Dcatch on September 24, 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.*