# SpinalTech3D Scan vs Arch Fitters

The clearest difference is iOS requirement: Arch Fitters at 13.0 against SpinalTech3D Scan's 15.0. On price, update cadence, 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.

SpinalTech3D Scan ships an update every 3 months, Arch Fitters every 4 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SpinalTech3D Scan | Arch Fitters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/spinaltech3d-scan/id1441661271/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 133 MB | 193 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [TechMed 3D](https://appshunter.io/developer/964196047) | [Oregon Pedorthic Services, Inc.](https://appshunter.io/developer/1456144842) |

## What reviewers say

### SpinalTech3D Scan

[App page](https://appshunter.io/ios/app/spinaltech3d-scan/id1441661271)

This application facilitates the creation of custom spinal orthoses by enabling practitioners to capture 3D scans of patients. It allows for the integration of images, anatomical landmark annotations, and detailed instructions, streamlining the ordering process for custom spinal and scoliosis orthometry forms.

**Highlights:** 3D scanning with Structure SDK/TrueDepth camera, Capture and annotate images with anatomical landmarks, Integrate practitioner instructions and custom forms, Generate electronic files for custom orthosis orders, Seamless integration with iPad and Structure Scanner

**Features:** macOS Compatibility

**In-app purchases:** none


### Arch Fitters

[App page](https://appshunter.io/ios/app/arch-fitters/id1456144843)

**In-app purchases:** none


## Frequently asked questions

### Is SpinalTech3D Scan free?

SpinalTech3D Scan is free to download, with no in-app purchases.

### Is Arch Fitters free?

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

### Do SpinalTech3D Scan or Arch Fitters have ads?

Neither SpinalTech3D Scan nor Arch Fitters shows ads.

### Which is updated more often, SpinalTech3D Scan or Arch Fitters?

SpinalTech3D Scan ships an update every 3 months, and Arch Fitters every 4 months. Most recently, SpinalTech3D Scan was updated on October 7, 2026 and Arch Fitters on October 2, 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.*