# Structure vs Sensors Toolbox

The clearest difference is rating: Sensors Toolbox at 4.2 against Structure's 3.1. Sensors Toolbox also leads on ratings volume (134 vs 15). Structure's advantage is ads (none vs shown) and update cadence (every 2 months vs every 7 months). On price, review sentiment, in-app purchases and device support there is nothing between them.

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

Sensors Toolbox holds the better App Store score, 4.2 against 3.1. That said, the two scores are not equally well evidenced: Sensors Toolbox has 134 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 50% of Structure's written reviews are positive against 53% of Sensors Toolbox's.

Structure ships an update every 2 months, Sensors Toolbox every 7 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Structure | Sensors Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (15 ratings)](https://appshunter.io/ios/app/structure/id570447097/reviews) | **[4.2 (134 ratings)](https://appshunter.io/ios/app/sensors-toolbox-multitool/id1383687190/reviews)** |
| Number of ratings | 15 | **134** |
| Positive reviews | 50.0% of reviews | **52.8% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Ad-supported |
| Size | 19 MB | 17 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Andrew Neal](https://appshunter.io/developer/1102865152) |

## What reviewers say

### Structure

[App page](https://appshunter.io/ios/app/structure/id570447097)

This app is a companion for a 3D scanning accessory, enabling iOS devices to capture the world in three dimensions. It allows users to view live 3D measurements, overlay depth and color data, and stream 3D data to a computer. The app also facilitates firmware updates and battery level checks for the accessory.

**Highlights:** Live 3D distance measurements, Overlay 3D depth and color, Live 3D stream uplink via WiFi, Structure Sensor firmware updates, Structure Sensor battery level check

**In-app purchases:** none


### Sensors Toolbox

[App page](https://appshunter.io/ios/app/sensors-toolbox-multitool/id1383687190)

Access and visualize data from all your smartphone's sensors in real time. Collect information from accelerometers, gyroscopes, GPS, barometers, and more, then convert it into easy-to-read graphs. This app offers a clean, intuitive interface for comprehensive sensor analysis.

**Highlights:** Real-time sensor data collection, Accelerometer, gyroscope, GPS, Barometer, decibel meter, metal detector, Compass functionality, Intuitive graph visualization, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Structure free?

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

### Is Sensors Toolbox free?

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

### Which has better reviews, Structure or Sensors Toolbox?

Sensors Toolbox is rated higher. Structure averages 3.1 out of 5 from 15 ratings, while Sensors Toolbox averages 4.2 from 134 ratings.

### Do Structure or Sensors Toolbox have ads?

Sensors Toolbox shows ads; Structure does not.

### Which is updated more often, Structure or Sensors Toolbox?

Structure ships an update every 2 months, and Sensors Toolbox every 7 months. Most recently, Structure was updated on October 5, 2026 and Sensors Toolbox on October 7, 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.*