# Thyroid Navigator vs 3D Cervical Dystonia

The clearest difference is ratings volume: 3D Cervical Dystonia at 89 against Thyroid Navigator's 5. 3D Cervical Dystonia also leads on iOS requirement (13.0 vs 16.0). On price, rating, update cadence and ads 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 — 4.8 for Thyroid Navigator against 4.8 for 3D Cervical Dystonia. That said, the two scores are not equally well evidenced: 3D Cervical Dystonia has 89 ratings behind it against 5, so its average is the more settled of the two.

Thyroid Navigator ships an update every 21 months, 3D Cervical Dystonia every 16 months. The most recent releases landed on June 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Thyroid Navigator | 3D Cervical Dystonia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/thyroid-navigator/id823444434/reviews) | **[4.8 (89 ratings)](https://appshunter.io/ios/app/3d-cervical-dystonia/id1571537372/reviews)** |
| Number of ratings | 5 | **89** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 16 months** |
| Monetization | Free | Free |
| Size | 92 MB | 444 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Kuma Hospital](https://appshunter.io/developer/823444437) | [Allergan, Inc.](https://appshunter.io/developer/420911057) |

## What reviewers say

### Thyroid Navigator

[App page](https://appshunter.io/ios/app/thyroid-navigator/id823444434)

This app provides a detailed 3D model of the thyroid and surrounding structures. It's designed as a communication and educational tool for medical professionals to explain thyroid diseases and conditions to patients and students.

**Highlights:** Detailed 3D thyroid model, 360-degree rotation, Multiple display patterns (skin, vessels, nerves), Tumor symptom samples, Pre- and post-operative images, Communication tool for medical scenes

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Cervical Dystonia

[App page](https://appshunter.io/ios/app/3d-cervical-dystonia/id1571537372)

Explore cervical dystonia anatomy with a 3D model and augmented reality. Manipulate postures, view muscle layers, and simulate head tremors. Requires a specific workbook to activate.

**Highlights:** 360-degree posture rotation, Adjustable head and shoulder movements, Detailed muscle layer visualization, Simulated head tremor, Functional anatomy details, Augmented reality integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thyroid Navigator free?

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

### Is 3D Cervical Dystonia free?

3D Cervical Dystonia is free to download, with no in-app purchases.

### Which has better reviews, Thyroid Navigator or 3D Cervical Dystonia?

3D Cervical Dystonia is rated higher. Thyroid Navigator averages 4.8 out of 5 from 5 ratings, while 3D Cervical Dystonia averages 4.8 from 89 ratings.

### Do Thyroid Navigator or 3D Cervical Dystonia have ads?

Neither Thyroid Navigator nor 3D Cervical Dystonia shows ads.

### Which is updated more often, Thyroid Navigator or 3D Cervical Dystonia?

Thyroid Navigator ships an update every 21 months, and 3D Cervical Dystonia every 16 months. Most recently, Thyroid Navigator was updated on June 16, 2026 and 3D Cervical Dystonia on September 20, 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.*