# BioStep vs SpinalTech3D Scan

The clearest difference is update cadence: BioStep at fortnightly against SpinalTech3D Scan's every 3 months. SpinalTech3D Scan's advantage is ratings volume (6 vs 2) and iOS requirement (15.0 vs 17.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for BioStep against 5.0 for SpinalTech3D Scan. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

BioStep ships an update fortnightly, SpinalTech3D Scan every 3 months. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | BioStep | SpinalTech3D Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/biostep/id1132497528/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/spinaltech3d-scan/id1441661271/reviews) |
| Number of ratings | 2 | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | Free |
| Size | 74 MB | 133 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BioStep Inc](https://appshunter.io/developer/1132497527) | [TechMed 3D](https://appshunter.io/developer/964196047) |

## What reviewers say

### BioStep

[App page](https://appshunter.io/ios/app/biostep/id1132497528)

This app allows medical professionals to easily submit custom orthotic orders with detailed descriptions and images. It enables users to scan patient feet directly within the application.

**Highlights:** Submit custom orthotic orders, Detailed product descriptions, Image uploads for customization, Patient foot scanning, Secure professional access

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BioStep free?

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

### Is SpinalTech3D Scan free?

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

### Which has better reviews, BioStep or SpinalTech3D Scan?

BioStep and SpinalTech3D Scan are both rated 5.0 out of 5 on the App Store, from 2 and 6 ratings respectively.

### Do BioStep or SpinalTech3D Scan have ads?

Neither BioStep nor SpinalTech3D Scan shows ads.

### Which is updated more often, BioStep or SpinalTech3D Scan?

BioStep ships an update fortnightly, and SpinalTech3D Scan every 3 months. Most recently, BioStep was updated on September 7, 2026 and SpinalTech3D Scan on September 14, 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.*