# 3D解剖学アトラス：iRis vs 脳観

The clearest difference is price: 脳観 at Free against 3D解剖学アトラス：iRis's $40.99. 脳観 also leads on review sentiment (100% vs 60%) and update cadence (monthly vs every 44 months). On ads, in-app purchases and device support there is nothing between them.

脳観 is free to download; 3D解剖学アトラス：iRis costs $40.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3D解剖学アトラス：iRis ships an update every 44 months, 脳観 monthly. The most recent releases landed on October 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 3D解剖学アトラス：iRis | 脳観 |
| --- | --- | --- |
| Price | $40.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1518722112/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Monthly** |
| Monetization | Paid | — |
| Size | 491 MB | 272 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [株式会社Kompath](https://appshunter.io/developer/1230446483) | [Satoshi Kiyofuji](https://appshunter.io/developer/1518722111) |

## What reviewers say

### 3D解剖学アトラス：iRis

[App page](https://appshunter.io/ios/app/3diris/id1230446484)

A detailed 3D anatomical atlas for medical professionals, offering high-definition models and search functionality. Explore intricate anatomical details, including fine nerves and vascular structures, for enhanced learning and education.

**Highlights:** High-definition 3D anatomical models, Searchable anatomical information, Model visibility controls, Cross-section visualization, Key atlas for critical anatomy

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

**In-app purchases:** none


### 脳観

[App page](https://appshunter.io/ios/app/id1518722112)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D解剖学アトラス：iRis free?

3D解剖学アトラス：iRis costs $40.99, with no in-app purchases.

### Is 脳観 free?

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

### Do 3D解剖学アトラス：iRis or 脳観 have ads?

Neither 3D解剖学アトラス：iRis nor 脳観 shows ads.

### Which is updated more often, 3D解剖学アトラス：iRis or 脳観?

3D解剖学アトラス：iRis ships an update every 44 months, and 脳観 monthly. Most recently, 3D解剖学アトラス：iRis was updated on October 26, 2026 and 脳観 on October 11, 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.*