# Structure Sensor Calibrator vs HouseNumber

The clearest difference is rating: HouseNumber at 5.0 against Structure Sensor Calibrator's 3.0. HouseNumber also leads on update cadence (every 9 days vs every 2 months). Structure Sensor Calibrator's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. HouseNumber sells 1 in-app purchase, starting at $2.99 per month. Structure Sensor Calibrator asks for nothing beyond the download.

HouseNumber holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Structure Sensor Calibrator ships an update every 2 months, HouseNumber every 9 days. The most recent releases landed on September 21, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Structure Sensor Calibrator | HouseNumber |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/housenumber/id1517312497/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 19.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 39 MB | 25 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Pit Schneider](https://appshunter.io/developer/545599438) |

## 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


### HouseNumber

[App page](https://appshunter.io/ios/app/housenumber/id1517312497)

View building numbers in augmented reality using your iPhone camera. This app is useful for professionals in delivery or taxi services, and for private users needing to identify buildings in dark or unfamiliar environments.

**Highlights:** Augmented reality building number display, Use iPhone camera for detection, Satellite map integration, Professional use support (delivery, taxi, post), Private use for identification

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HOUSE+ | $2.99 | per month |


## Frequently asked questions

### Is Structure Sensor Calibrator free?

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

### Is HouseNumber free?

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

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

HouseNumber is rated higher. Structure Sensor Calibrator averages 3.0 out of 5 from 4 ratings, while HouseNumber averages 5.0 from 2 ratings.

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

Neither Structure Sensor Calibrator nor HouseNumber shows ads.

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

Structure Sensor Calibrator ships an update every 2 months, and HouseNumber every 9 days. Most recently, Structure Sensor Calibrator was updated on September 21, 2026 and HouseNumber on July 5, 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.*