# 熱中症予報計 vs へがふっど！

The clearest difference is review sentiment: へがふっど！ at 50% against 熱中症予報計's 35%. へがふっど！ also leads on iOS requirement (12.0 vs 15.6). 熱中症予報計's advantage is update cadence (every 5 months vs every 15 months). 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.

熱中症予報計 ships an update every 5 months, へがふっど！ every 15 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 熱中症予報計 | へがふっど！ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 35.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 months** | Every 15 months |
| Size | 7 MB | 22 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Izaki](https://appshunter.io/developer/511591595) | [Yoshitaka Watanabe](https://appshunter.io/developer/599401659) |

## What reviewers say

### 熱中症予報計

[App page](https://appshunter.io/ios/app/id647598956)

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

**In-app purchases:** none


### へがふっど！

[App page](https://appshunter.io/ios/app/id1456505820)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 熱中症予報計 free?

熱中症予報計 is free to download, with no in-app purchases.

### Is へがふっど！ free?

へがふっど！ is free to download, with no in-app purchases.

### Do 熱中症予報計 or へがふっど！ have ads?

Both 熱中症予報計 and へがふっど！ show ads.

### Which is updated more often, 熱中症予報計 or へがふっど！?

熱中症予報計 ships an update every 5 months, and へがふっど！ every 15 months. Most recently, 熱中症予報計 was updated on November 1, 2026 and へがふっど！ on November 2, 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.*