# tsubomaster vs こども環境ログ：気圧と喘息・頭痛の記録

The clearest difference is in-app purchases: tsubomaster at none against こども環境ログ：気圧と喘息・頭痛の記録's 1. こども環境ログ：気圧と喘息・頭痛の記録's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. こども環境ログ：気圧と喘息・頭痛の記録 sells 1 one-off in-app purchase. tsubomaster asks for nothing beyond the download.

tsubomaster ships an update every 6 months, こども環境ログ：気圧と喘息・頭痛の記録 every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | tsubomaster | こども環境ログ：気圧と喘息・頭痛の記録 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 9 MB | 11 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JK-SCIENCE CO., LTD.](https://appshunter.io/developer/493464594) | [DE NOVO STUDIO](https://appshunter.io/developer/1787923748) |

## What reviewers say

### tsubomaster

[App page](https://appshunter.io/ios/app/tsubomaster/id493464591)

**Features:** macOS Compatibility

**In-app purchases:** none


### こども環境ログ：気圧と喘息・頭痛の記録

[App page](https://appshunter.io/ios/app/id6760984300)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム機能の解放（買い切り） | $5.99 | one-time |


## Frequently asked questions

### Is tsubomaster free?

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

### Is こども環境ログ：気圧と喘息・頭痛の記録 free?

こども環境ログ：気圧と喘息・頭痛の記録 is free to download, with in-app purchases available.

### Do tsubomaster or こども環境ログ：気圧と喘息・頭痛の記録 have ads?

tsubomaster shows ads; こども環境ログ：気圧と喘息・頭痛の記録 does not.

### Which is updated more often, tsubomaster or こども環境ログ：気圧と喘息・頭痛の記録?

tsubomaster ships an update every 6 months, and こども環境ログ：気圧と喘息・頭痛の記録 every 3 months. Most recently, tsubomaster was updated on October 30, 2026 and こども環境ログ：気圧と喘息・頭痛の記録 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.*