# 経穴暗記１ vs 理由で解く 生理学

The clearest difference is price: 経穴暗記１ at Free against 理由で解く 生理学's $19.99. 経穴暗記１ also leads on iOS requirement (12.0 vs 17.0). 理由で解く 生理学's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

経穴暗記１ is free to download; 理由で解く 生理学 costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 経穴暗記１ | 理由で解く 生理学 |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Size | 70 MB | 62 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Ryusuke Sudo](https://appshunter.io/developer/1562796940) | [Kazuhiro Kurosawa](https://appshunter.io/developer/1884525970) |

## What reviewers say

### 経穴暗記１

[App page](https://appshunter.io/ios/app/id6478476834)

**In-app purchases:** none


### 理由で解く 生理学

[App page](https://appshunter.io/ios/app/id6782598792)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 経穴暗記１ free?

経穴暗記１ is free to download, with no in-app purchases.

### Is 理由で解く 生理学 free?

理由で解く 生理学 costs $19.99, with no in-app purchases.

### Do 経穴暗記１ or 理由で解く 生理学 have ads?

経穴暗記１ shows ads; 理由で解く 生理学 does not.

### Which is updated more often, 経穴暗記１ or 理由で解く 生理学?

経穴暗記１ ships an update weekly, and 理由で解く 生理学 weekly. Most recently, 経穴暗記１ was updated on October 10, 2026 and 理由で解く 生理学 on October 8, 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.*