# 日本産科婦人科学会 公式アプリ「JSOG」 vs medu4 APP

The clearest difference is update cadence: medu4 APP at monthly against 日本産科婦人科学会 公式アプリ「JSOG」's every 11 months. medu4 APP also leads on iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

日本産科婦人科学会 公式アプリ「JSOG」 ships an update every 11 months, medu4 APP monthly. The most recent releases landed on October 5, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 日本産科婦人科学会 公式アプリ「JSOG」 | medu4 APP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 41 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Japan Society of Obstetrics and Gynecology](https://appshunter.io/developer/1362422765) | [medu4 Inc.](https://appshunter.io/developer/1502958434) |

## What reviewers say

### 日本産科婦人科学会 公式アプリ「JSOG」

[App page](https://appshunter.io/ios/app/jsog/id1362422766)

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

**In-app purchases:** none


### medu4 APP

[App page](https://appshunter.io/ios/app/medu4-app/id1558120067)

This app provides a streamlined approach to medical education, focusing on essential information for exams and future careers. It aims to guide students through complex medical knowledge, offering a centralized learning experience that covers over 90% of CBT and national exam content.

**Highlights:** Essential medical knowledge acquisition, Streamlined exam preparation, Centralized learning platform, Covers 90%+ of exam content, Guidance for future medical careers, Digital learning tools

**In-app purchases:** none


## Frequently asked questions

### Is 日本産科婦人科学会 公式アプリ「JSOG」 free?

日本産科婦人科学会 公式アプリ「JSOG」 is free to download, with no in-app purchases.

### Is medu4 APP free?

medu4 APP is free to download, with no in-app purchases.

### Do 日本産科婦人科学会 公式アプリ「JSOG」 or medu4 APP have ads?

Neither 日本産科婦人科学会 公式アプリ「JSOG」 nor medu4 APP shows ads.

### Which is updated more often, 日本産科婦人科学会 公式アプリ「JSOG」 or medu4 APP?

日本産科婦人科学会 公式アプリ「JSOG」 ships an update every 11 months, and medu4 APP monthly. Most recently, 日本産科婦人科学会 公式アプリ「JSOG」 was updated on October 5, 2026 and medu4 APP on October 23, 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.*