# Structure Sensor Calibrator vs Revo Scan

The clearest difference is rating: Structure Sensor Calibrator at 3.0 against Revo Scan's 2.3. Structure Sensor Calibrator also leads on iOS requirement (13.0 vs 15). Revo Scan's advantage is ratings volume (38 vs 4). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Structure Sensor Calibrator holds the better App Store score, 3.0 against 2.3. That said, the two scores are not equally well evidenced: Revo Scan has 38 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 19% of Structure Sensor Calibrator's written reviews are positive against 18% of Revo Scan's.

Structure Sensor Calibrator ships an update every 2 months, Revo Scan every 6 weeks. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Structure Sensor Calibrator | Revo Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485/reviews)** | [2.3 (38 ratings)](https://appshunter.io/ios/app/revo-scan-3d-scanner-app/id1611278474/reviews) |
| Number of ratings | 4 | **38** |
| Positive reviews | **19.0% of reviews** | 17.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 163 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Revopoint 3D Technologies Inc.](https://appshunter.io/developer/1562950201) |

## What reviewers say

### Structure Sensor Calibrator

[App page](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485)

This utility app precisely aligns 3D depth data from a Structure Sensor accessory with your iOS device's camera. It enhances full-color 3D scanning and optimizes performance in related applications. The calibration process is quick and saves results directly to the accessory.

**Highlights:** Aligns 3D depth data, Enhances full-color 3D scanning, Optimizes sensor performance, Simple user interface, Quick calibration process, Saves results to accessory

**In-app purchases:** none


### Revo Scan

[App page](https://appshunter.io/ios/app/revo-scan-3d-scanner-app/id1611278474)

Transform your iPhone into a powerful 3D scanner. Capture complex objects, people, and large-scale items in full color. Generate high-precision 3D models for various creative and professional uses.

**Highlights:** Connects to Revopoint 3D scanners, Wi-Fi only connection, Scans complex, tiny, large objects, and people, Full lifelike color scanning, Automatic 3D data processing, Export in OBJ, STL, PLY formats

**In-app purchases:** none

**What reviewers like**

- ✨ Good scan results (when it works)
- 👍 Helpful customer service (mentioned once)
- 💡 Unique software with undo function
- 🚀 Easy to use for modeling (for some)
- 👍 Works well with Pop 2 (for some)

**What reviewers complain about**

- ❌ Connection issues are rampant
- ❌ App is unstable and crashes
- ❌ Poor quality scans (mobile vs desktop)
- ❌ Outdated troubleshooting
- ❌ No customer support (mentioned often)

**Reported bugs**

- Scanner not detected
- App crashes frequently
- Cannot connect scanner at all
- Ogre engine rendering setup only
- Power surge issues with USB ports

**Requested features**

- Revo Scan 6 availability for on-the-go scanning
- USB-C support for newer iPhones and iPads
- Ability to save files in higher quality Mesh format
- Add function to change Mesh settings
- Russian language support


## Frequently asked questions

### Is Structure Sensor Calibrator free?

Structure Sensor Calibrator is free to download, with no in-app purchases.

### Is Revo Scan free?

Revo Scan is free to download, with no in-app purchases.

### Which has better reviews, Structure Sensor Calibrator or Revo Scan?

Structure Sensor Calibrator is rated higher. Structure Sensor Calibrator averages 3.0 out of 5 from 4 ratings, while Revo Scan averages 2.3 from 38 ratings.

### Do Structure Sensor Calibrator or Revo Scan have ads?

Neither Structure Sensor Calibrator nor Revo Scan shows ads.

### Which is updated more often, Structure Sensor Calibrator or Revo Scan?

Structure Sensor Calibrator ships an update every 2 months, and Revo Scan every 6 weeks. Most recently, Structure Sensor Calibrator was updated on October 13, 2026 and Revo Scan on October 21, 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.*