# Structure Sensor Calibrator vs Gatekeeper for Kiosks

The clearest difference is device support: Structure Sensor Calibrator at 3 against Gatekeeper for Kiosks's 1. Structure Sensor Calibrator also leads on iOS requirement (13.0 vs 15.6). 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 ships an update every 2 months, Gatekeeper for Kiosks monthly. The most recent releases landed on October 13, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Structure Sensor Calibrator | Gatekeeper for Kiosks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 19.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 39 MB | 8 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Green Security LLC](https://appshunter.io/developer/725008709) |

## 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


### Gatekeeper for Kiosks

[App page](https://appshunter.io/ios/app/gatekeeper-for-kiosks/id1485006088)

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

**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 Gatekeeper for Kiosks free?

Gatekeeper for Kiosks is free to download, with no in-app purchases.

### Do Structure Sensor Calibrator or Gatekeeper for Kiosks have ads?

Neither Structure Sensor Calibrator nor Gatekeeper for Kiosks shows ads.

### Which is updated more often, Structure Sensor Calibrator or Gatekeeper for Kiosks?

Structure Sensor Calibrator ships an update every 2 months, and Gatekeeper for Kiosks monthly. Most recently, Structure Sensor Calibrator was updated on October 13, 2026 and Gatekeeper for Kiosks on October 26, 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.*