# つな病｜病態生理を因果でつなぐ vs 心電図ドリル

The clearest difference is update cadence: つな病｜病態生理を因果でつなぐ at every 4 days against 心電図ドリル's monthly. 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.

つな病｜病態生理を因果でつなぐ ships an update every 4 days, 心電図ドリル monthly. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | つな病｜病態生理を因果でつなぐ | 心電図ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 175 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Takahiro Ito](https://appshunter.io/developer/6787806782) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### つな病｜病態生理を因果でつなぐ

[App page](https://appshunter.io/ios/app/id6794830922)

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

**In-app purchases:** none


### 心電図ドリル

[App page](https://appshunter.io/ios/app/12/id6801799404)

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

**In-app purchases:** none


## Frequently asked questions

### Is つな病｜病態生理を因果でつなぐ free?

つな病｜病態生理を因果でつなぐ is free to download, with no in-app purchases.

### Is 心電図ドリル free?

心電図ドリル is free to download, with no in-app purchases.

### Do つな病｜病態生理を因果でつなぐ or 心電図ドリル have ads?

Neither つな病｜病態生理を因果でつなぐ nor 心電図ドリル shows ads.

### Which is updated more often, つな病｜病態生理を因果でつなぐ or 心電図ドリル?

つな病｜病態生理を因果でつなぐ ships an update every 4 days, and 心電図ドリル monthly. Most recently, つな病｜病態生理を因果でつなぐ was updated on October 15, 2026 and 心電図ドリル on October 19, 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.*