# 熱中症予防日記 vs BuraGym

The clearest difference is update cadence: 熱中症予防日記 at every 2 days against BuraGym's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 熱中症予防日記 sells 2 in-app purchases, starting at $2.99 per month and BuraGym sells 1 in-app purchase, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

熱中症予防日記 ships an update every 2 days, BuraGym every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 熱中症予防日記 | BuraGym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 9 MB | 13 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) | [hirofumi kurosaki](https://appshunter.io/developer/887087940) |

## What reviewers say

### 熱中症予防日記

[App page](https://appshunter.io/ios/app/id6789157076)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proプラン（月額） | $2.99 | per month |
| Proプラン（年額） | $9.99 | per year |


### BuraGym

[App page](https://appshunter.io/ios/app/buragym/id6795569304)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BuraGym Pro Monthly | $0.49 | per month |


## Frequently asked questions

### Is 熱中症予防日記 free?

熱中症予防日記 is free to download, with in-app purchases available.

### Is BuraGym free?

BuraGym is free to download, with in-app purchases available.

### Do 熱中症予防日記 or BuraGym have ads?

Both 熱中症予防日記 and BuraGym show ads.

### Which is updated more often, 熱中症予防日記 or BuraGym?

熱中症予防日記 ships an update every 2 days, and BuraGym every 5 days. Most recently, 熱中症予防日記 was updated on October 28, 2026 and BuraGym on October 29, 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.*