# Structure vs ECON

The clearest difference is review sentiment: ECON at 100% against Structure's 50%. ECON also leads on rating (5.0 vs 3.1). Structure's advantage is update cadence (every 2 months vs every 8 months) and iOS requirement (13.0 vs 16.0). On price, ratings volume, 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.

ECON holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews point the same way: 50% of Structure's written reviews are positive against 100% of ECON's.

Structure ships an update every 2 months, ECON every 8 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Structure | ECON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (15 ratings)](https://appshunter.io/ios/app/structure/id570447097/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/econ-m/id1166226214/reviews)** |
| Number of ratings | **15** | 6 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 19 MB | 79 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Curtis Instruments](https://appshunter.io/developer/970985556) |

## 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


### ECON

[App page](https://appshunter.io/ios/app/econ-m/id1166226214)

This tool configures and diagnoses power wheelchair systems. It allows authorized users to customize display settings, manage photos, tune drive parameters, and access live diagnostics for quick troubleshooting and programming.

**Highlights:** Customize display background colors, Add photos to display slideshow, Save and send diagnostic files, Tune drive parameters wirelessly, Real-time parameter adjustments, Live diagnostics for error access, Update system firmware

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Structure free?

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

### Is ECON free?

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

### Which has better reviews, Structure or ECON?

ECON is rated higher. Structure averages 3.1 out of 5 from 15 ratings, while ECON averages 5.0 from 6 ratings.

### Do Structure or ECON have ads?

Neither Structure nor ECON shows ads.

### Which is updated more often, Structure or ECON?

Structure ships an update every 2 months, and ECON every 8 months. Most recently, Structure was updated on October 5, 2026 and ECON on October 8, 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.*