# Comb 3D Scanner vs Kneuro

The clearest difference is review sentiment: Kneuro at 100% against Comb 3D Scanner's 38%. Kneuro also leads on rating (5.0 vs 3.5). Comb 3D Scanner's advantage is ratings volume (19 vs 4). 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.

Kneuro holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 19 and 4 respectively. Written reviews point the same way: 38% of Comb 3D Scanner's written reviews are positive against 100% of Kneuro's.

Comb 3D Scanner ships an update every 4 months, Kneuro every 5 months. The most recent releases landed on July 7, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Comb 3D Scanner | Kneuro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (19 ratings)](https://appshunter.io/ios/app/comb-3d-scanner/id1508576484/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kneuro/id6497794767/reviews)** |
| Number of ratings | **19** | 4 |
| Positive reviews | 37.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 50 MB | 68 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Comb O&P, LLC](https://appshunter.io/developer/1508576483) | [BrainPortfolio](https://appshunter.io/developer/1741499774) |

## What reviewers say

### Comb 3D Scanner

[App page](https://appshunter.io/ios/app/comb-3d-scanner/id1508576484)

Capture precise 3D patient scans using your compatible iOS device. Upload scans to a secure cloud for CAD rectification and fabrication. Affordable and accurate 3D scanning for medical practitioners.

**Highlights:** Precise 3D patient scanning, Secure cloud upload, CAD/CAM preparation, HIPAA compliant portal, OBJ and STL file export, Multiple scale options

**In-app purchases:** none


### Kneuro

[App page](https://appshunter.io/ios/app/kneuro/id6497794767)

Connect and manage your microprocessor knee with this app. Access real-time insights, switch activity modes, and adjust parameters from a user-friendly interface.

**Highlights:** Connect microprocessor knee, Real-time insights, Switch activity modes, Adjust parameters, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comb 3D Scanner free?

Comb 3D Scanner is free to download, with no in-app purchases.

### Is Kneuro free?

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

### Which has better reviews, Comb 3D Scanner or Kneuro?

Kneuro is rated higher. Comb 3D Scanner averages 3.5 out of 5 from 19 ratings, while Kneuro averages 5.0 from 4 ratings.

### Do Comb 3D Scanner or Kneuro have ads?

Neither Comb 3D Scanner nor Kneuro shows ads.

### Which is updated more often, Comb 3D Scanner or Kneuro?

Comb 3D Scanner ships an update every 4 months, and Kneuro every 5 months. Most recently, Comb 3D Scanner was updated on July 7, 2026 and Kneuro on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*