# スマガク vs 人工呼吸器ナビ

The clearest difference is in-app purchases: スマガク at none against 人工呼吸器ナビ's 1. スマガク also leads on update cadence (daily vs every 3 weeks). 人工呼吸器ナビ's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 人工呼吸器ナビ sells 1 one-off in-app purchase. スマガク asks for nothing beyond the download.

スマガク ships an update daily, 人工呼吸器ナビ every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | スマガク | 人工呼吸器ナビ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 72 MB | 17 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [masataka fukuhara](https://appshunter.io/developer/1654653604) | [Takahiro Ito](https://appshunter.io/developer/6787806782) |

## What reviewers say

### スマガク

[App page](https://appshunter.io/ios/app/ai/id6754600181)

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

**In-app purchases:** none


### 人工呼吸器ナビ

[App page](https://appshunter.io/ios/app/id6799628706)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フル版 | $5.99 | one-time |


## Frequently asked questions

### Is スマガク free?

スマガク is free to download, with no in-app purchases.

### Is 人工呼吸器ナビ free?

人工呼吸器ナビ is free to download, with in-app purchases available.

### Do スマガク or 人工呼吸器ナビ have ads?

スマガク shows ads; 人工呼吸器ナビ does not.

### Which is updated more often, スマガク or 人工呼吸器ナビ?

スマガク ships an update daily, and 人工呼吸器ナビ every 3 weeks. Most recently, スマガク was updated on October 30, 2026 and 人工呼吸器ナビ on October 31, 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.*