# 3D Bones and Muscles (Anatomy) vs Tech Aide

The clearest difference is in-app purchases: 3D Bones and Muscles (Anatomy) at none against Tech Aide's 2. 3D Bones and Muscles (Anatomy) also leads on ratings volume (2.6K vs 3) and device support (4 vs 2). Tech Aide's advantage is ads (none vs shown) and update cadence (weekly vs every 6 months). On price and monetization model there is nothing between them.

Both are free to download. Tech Aide sells 2 in-app purchases, starting at $4.99 per month. 3D Bones and Muscles (Anatomy) asks for nothing beyond the download.

Tech Aide holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 3D Bones and Muscles (Anatomy) has 2.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 91% of 3D Bones and Muscles (Anatomy)'s written reviews are positive against 100% of Tech Aide's.

3D Bones and Muscles (Anatomy) ships an update every 6 months, Tech Aide weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3D Bones and Muscles (Anatomy) | Tech Aide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.6K ratings)](https://appshunter.io/ios/app/3d-bones-and-muscles-anatomy/id697065866/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tech-aide/id6764090848/reviews)** |
| Number of ratings | **2.6K** | 3 |
| Positive reviews | 91.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 98 MB | 154 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Education Mobile](https://appshunter.io/developer/519530928) | [NICHOLAS GREGORY CALLAHAN](https://appshunter.io/developer/1895634461) |

## What reviewers say

### 3D Bones and Muscles (Anatomy)

[App page](https://appshunter.io/ios/app/3d-bones-and-muscles-anatomy/id697065866)

Explore the human body in a fully interactive 3D environment. This free application allows for detailed study of bones, muscles, and organs with features like virtual dissection and location quizzes. Supports multiple languages and audio pronunciation for anatomical terms.

**Highlights:** Interactive 3D models, Virtual dissection, Location quizzes, Switchable anatomy systems, Load and save views, Audio pronunciation

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning anatomy
- 🚀 Great visual learning tool
- 💡 Useful for medical professionals
- 👍 Easy to use and navigate
- 🚀 Excellent free app

**What reviewers complain about**

- 🐛 Difficulty moving/rotating the model
- 🐛 Missing certain muscles/body parts
- 🐛 Ads can be intrusive
- 🐛 Inaccuracies in muscle/bone information

**Reported bugs**

- Incorrect muscle/bone origin and insertion information
- Difficulty isolating individual muscles
- Crashes or freezes on some devices

**Requested features**

- Add more body systems (e.g. nervous system, lymphatic system)
- Improve navigation and controls for the 3D model
- Expand quiz/test functionality
- Add more detailed labeling and information


### Tech Aide

[App page](https://appshunter.io/ios/app/tech-aide/id6764090848)

Provides radiologic technologists with quick, practical information for over 170 radiographic views. Features include detailed positioning guidance, custom equipment profiles, and credential tracking for professional requirements.

**Highlights:** 170+ radiographic views, Positioning guidance, Custom equipment profiles, Credential tracking, CE tracking, Document vault

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tech Aide Pro - Monthly | $4.99 | per month |
| Tech Aide Pro - Annual | $44.99 | per year |


## Frequently asked questions

### Is 3D Bones and Muscles (Anatomy) free?

3D Bones and Muscles (Anatomy) is free to download, with no in-app purchases.

### Is Tech Aide free?

Tech Aide is free to download, with in-app purchases available.

### Which has better reviews, 3D Bones and Muscles (Anatomy) or Tech Aide?

Tech Aide is rated higher. 3D Bones and Muscles (Anatomy) averages 4.7 out of 5 from 2.6K ratings, while Tech Aide averages 5.0 from 3 ratings.

### Do 3D Bones and Muscles (Anatomy) or Tech Aide have ads?

3D Bones and Muscles (Anatomy) shows ads; Tech Aide does not.

### Which is updated more often, 3D Bones and Muscles (Anatomy) or Tech Aide?

3D Bones and Muscles (Anatomy) ships an update every 6 months, and Tech Aide weekly. Most recently, 3D Bones and Muscles (Anatomy) was updated on November 11, 2026 and Tech Aide on October 31, 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.*