# Medical KOS vs 日本婦人科腫瘍学会学術講演会

The clearest difference is in-app purchases: 日本婦人科腫瘍学会学術講演会 at none against Medical KOS's 10. Medical KOS's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Medical KOS sells 9 one-off in-app purchases. 日本婦人科腫瘍学会学術講演会 asks for nothing beyond the download.

Medical KOS ships an update every 2 months, 日本婦人科腫瘍学会学術講演会 every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Medical KOS | 日本婦人科腫瘍学会学術講演会 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 17 MB | 45 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [META Corporation Japan Ltd.](https://appshunter.io/developer/589751339) | [JAPAN SOCIETY OF GYNECOLOGIC ONCOLOGY](https://appshunter.io/developer/1467712743) |

## What reviewers say

### Medical KOS

[App page](https://appshunter.io/ios/app/medical-kos/id654909468)

Explore detailed 3D biological and medical content, including microscopic images and CT scans. Interact with models to adjust angles, size, and transparency for immersive learning. Supports viewing on mobile devices or external 3D displays.

**Highlights:** Stereoscopic 3D viewing, Interactive 3D model adjustment, External 3D display support, Content view history, 3D electron microscopy images, 3D CT scans and movies

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| META Biomedical CG Library 27 Human Brain Structure | $0.99 | one-time |
| META Biomedical CG Library 28 Evolution of the Vertebrate Brain | $0.99 | one-time |
| Kidney:Stereo SEM Atlas | $3.99 | one-time |
| dyed skull with annotation | $14.99 | one-time |
| Temporal bone fusion images... | $14.99 | one-time |
| Temporal bone dissection (EN) | $14.99 | one-time |
| Middle fossa layer dissection_ | $14.99 | one-time |
| Anterior petrosal approach | $19.99 | one-time |
| 上肢の関節の動的解剖　-筋骨格系を学ぶシリーズ３- | $24.99 | one-time |


### 日本婦人科腫瘍学会学術講演会

[App page](https://appshunter.io/ios/app/id6450912412)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Medical KOS free?

Medical KOS is free to download, with in-app purchases available.

### Is 日本婦人科腫瘍学会学術講演会 free?

日本婦人科腫瘍学会学術講演会 is free to download, with no in-app purchases.

### Do Medical KOS or 日本婦人科腫瘍学会学術講演会 have ads?

Neither Medical KOS nor 日本婦人科腫瘍学会学術講演会 shows ads.

### Which is updated more often, Medical KOS or 日本婦人科腫瘍学会学術講演会?

Medical KOS ships an update every 2 months, and 日本婦人科腫瘍学会学術講演会 every 3 months. Most recently, Medical KOS was updated on November 1, 2026 and 日本婦人科腫瘍学会学術講演会 on October 25, 2026.

---

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