# Structure Capture, 3D Scanning vs CASSIE Air

The clearest difference is in-app purchases: CASSIE Air at none against Structure Capture, 3D Scanning's 2. CASSIE Air also leads on iOS requirement (13.4 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Structure Capture, 3D Scanning sells 2 in-app purchases, starting at $19.99 per month. CASSIE Air asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Structure Capture, 3D Scanning | CASSIE Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/structure-capture-3d-scanning/id6450060157/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 43 MB | 23 MB |
| Requires iOS | 17.6 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [Cassie, Inc.](https://appshunter.io/developer/1781870712) |

## What reviewers say

### Structure Capture, 3D Scanning

[App page](https://appshunter.io/ios/app/structure-capture-3d-scanning/id6450060157)

This app transforms your iOS device into a portable 3D scanner for professional use in healthcare, product design, and more. It captures accurate body or object scans using advanced camera technologies and supports seamless export for digital fabrication workflows.

**Highlights:** 3D body and object scanning, TrueDepth and LiDAR camera support, Export in OBJ, STL, PLY formats, Foot landmark detection and measurement, Customizable scan settings, Offline availability

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Structure Capture Monthly | $19.99 | per month |
| Structure Capture Yearly | $199.00 | per year |


### CASSIE Air

[App page](https://appshunter.io/ios/app/cassie-air/id6738693161)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Structure Capture, 3D Scanning free?

Structure Capture, 3D Scanning is free to download, with in-app purchases available.

### Is CASSIE Air free?

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

### Do Structure Capture, 3D Scanning or CASSIE Air have ads?

Neither Structure Capture, 3D Scanning nor CASSIE Air shows ads.

### Which is updated more often, Structure Capture, 3D Scanning or CASSIE Air?

Structure Capture, 3D Scanning ships an update every 3 weeks, and CASSIE Air every 3 weeks. Most recently, Structure Capture, 3D Scanning was updated on October 30, 2026 and CASSIE Air on October 25, 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.*