# 3DsizeME vs Proteor Scan

The clearest difference is in-app purchases: Proteor Scan at none against 3DsizeME's 1. Proteor Scan also leads on rating (4.2 vs 3.9). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 3DsizeME sells 1 in-app purchase, starting at $64.99 per month. Proteor Scan asks for nothing beyond the download.

Proteor Scan holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 22 and 10 respectively.

3DsizeME ships an update every 5 weeks, Proteor Scan monthly. The most recent releases landed on September 20, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | 3DsizeME | Proteor Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (22 ratings)](https://appshunter.io/ios/app/3dsizeme/id964196048/reviews) | **[4.2 (10 ratings)](https://appshunter.io/ios/app/proteor-scan/id1356184328/reviews)** |
| Number of ratings | **22** | 10 |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 131 MB | 445 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [TechMed 3D](https://appshunter.io/developer/964196047) | [Proteor](https://appshunter.io/developer/1061959922) |

## What reviewers say

### 3DsizeME

[App page](https://appshunter.io/ios/app/3dsizeme/id964196048)

Capture detailed 3D models of the human body using your device's camera. This app is designed for professionals to easily scan body parts for applications in orthotics and prosthetics.

**Highlights:** 3D human body scanning, TrueDepth camera integration, Structure SDK/Sensor support, Scan various body parts, Visualize 3D models, Portable and easy-to-use

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Liberty 2.0 | $64.99 | per month |


### Proteor Scan

[App page](https://appshunter.io/ios/app/proteor-scan/id1356184328)

Perform real-time 3D orthopedic scans and add multiple images to each project. Share files with collaborators and design custom trunks, seats, and legs using measurements. Requires a Structure sensor.

**Highlights:** Real-time 3D scanning, Add multiple pictures per project, Share files with collaborators, Store up to 30 scans, Design trunks, seats, and legs, Supports Structure and TrueDepth sensors

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3DsizeME free?

3DsizeME is free to download, with in-app purchases available.

### Is Proteor Scan free?

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

### Which has better reviews, 3DsizeME or Proteor Scan?

Proteor Scan is rated higher. 3DsizeME averages 3.9 out of 5 from 22 ratings, while Proteor Scan averages 4.2 from 10 ratings.

### Do 3DsizeME or Proteor Scan have ads?

Neither 3DsizeME nor Proteor Scan shows ads.

### Which is updated more often, 3DsizeME or Proteor Scan?

3DsizeME ships an update every 5 weeks, and Proteor Scan monthly. Most recently, 3DsizeME was updated on September 20, 2026 and Proteor Scan on September 3, 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.*