# Structure Sensor Calibrator vs JMStudio

The clearest difference is rating: Structure Sensor Calibrator at 3.0 against JMStudio's 1.8. Structure Sensor Calibrator also leads on review sentiment (19% vs 5%) and iOS requirement (13.0 vs 15.0). JMStudio's advantage is ratings volume (25 vs 4). On price, update cadence, ads and in-app purchases 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 1.8. That said, the two scores are not equally well evidenced: JMStudio has 25 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 5% of JMStudio's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Structure Sensor Calibrator | JMStudio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485/reviews)** | [1.8 (25 ratings)](https://appshunter.io/ios/app/jmstudio/id6448431905/reviews) |
| Number of ratings | 4 | **25** |
| Positive reviews | **19.0% of reviews** | 5.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 39 MB | 39 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Shenzhen Jimuyida Science Technology Co., Ltd.](https://appshunter.io/developer/1299583300) |

## 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


### JMStudio

[App page](https://appshunter.io/ios/app/jmstudio/id6448431905)

This app facilitates 3D data acquisition using compatible 3D scanning devices. It allows real-time preview of scanning status, control over the scanning process, and easy management and export of captured data to a desktop application for further processing.

**Highlights:** Real-time 3D data preview, Start/stop scanning control, Device binding and calibration, Scan data management and export, In-app user manual

**In-app purchases:** none


## Frequently asked questions

### Is Structure Sensor Calibrator free?

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

### Is JMStudio free?

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

### Which has better reviews, Structure Sensor Calibrator or JMStudio?

Structure Sensor Calibrator is rated higher. Structure Sensor Calibrator averages 3.0 out of 5 from 4 ratings, while JMStudio averages 1.8 from 25 ratings.

### Do Structure Sensor Calibrator or JMStudio have ads?

Neither Structure Sensor Calibrator nor JMStudio shows ads.

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

Structure Sensor Calibrator ships an update every 2 months, and JMStudio every 2 months. Most recently, Structure Sensor Calibrator was updated on October 8, 2026 and JMStudio on October 6, 2026.

---

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