# Structure vs OMEGA Scan

The clearest difference is rating: OMEGA Scan at 5.0 against Structure's 3.1. OMEGA Scan also leads on iOS requirement (11.0 vs 13.0). Structure's advantage is update cadence (every 2 months vs every 7 months) and ratings volume (15 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OMEGA Scan holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Structure has 15 ratings behind it against 1, so its average is the more settled of the two.

Structure ships an update every 2 months, OMEGA Scan every 7 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Structure | OMEGA Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (15 ratings)](https://appshunter.io/ios/app/structure/id570447097/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/omega-scan/id1029162928/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 19 MB | 27 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Willow Wood](https://appshunter.io/developer/1029162927) |

## 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


### OMEGA Scan

[App page](https://appshunter.io/ios/app/omega-scan/id1029162928)

This app enables prosthetists and orthotists to capture precise limb shape data using a Structure Sensor and compatible iPad. Scanned images can be saved and emailed for import into OMEGA Software, integrating CAD into patient care.

**Highlights:** Capture transtibial residual limb shapes, Capture transfemoral residual limb shapes, Save scanned images, Email scanned images for OMEGA software import, Utilizes Structure Sensor and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Structure free?

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

### Is OMEGA Scan free?

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

### Which has better reviews, Structure or OMEGA Scan?

OMEGA Scan is rated higher. Structure averages 3.1 out of 5 from 15 ratings, while OMEGA Scan averages 5.0 from 1 ratings.

### Do Structure or OMEGA Scan have ads?

Neither Structure nor OMEGA Scan shows ads.

### Which is updated more often, Structure or OMEGA Scan?

Structure ships an update every 2 months, and OMEGA Scan every 7 months. Most recently, Structure was updated on October 5, 2026 and OMEGA Scan on October 9, 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.*