# 熱中症予報計 vs Thermometer S

The clearest difference is update cadence: Thermometer S at every 4 weeks against 熱中症予報計's every 5 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, Thermometer S every 4 weeks. The most recent releases landed on October 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 熱中症予報計 | Thermometer S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thermometer-s/id1511271470/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | — | Ad-supported |
| Size | 7 MB | 31 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Izaki](https://appshunter.io/developer/511591595) | [Akira Yamamoto](https://appshunter.io/developer/1401669011) |

## 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


### Thermometer S

[App page](https://appshunter.io/ios/app/thermometer-s/id1511271470)

Monitor your environment's temperature and humidity with this app. It provides clear, easy-to-read data for health management, preventing heatstroke and colds, and mold prevention. Customize the display to show only the information you need.

**Highlights:** Large, clear temperature display, Humidity, precipitation, wind speed, and air pressure, Sensor-based or internet weather data, Customizable information display, Celsius/Fahrenheit unit switching, Simple, user-friendly design

**Features:** macOS Compatibility, 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 Thermometer S free?

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

### Do 熱中症予報計 or Thermometer S have ads?

Both 熱中症予報計 and Thermometer S show ads.

### Which is updated more often, 熱中症予報計 or Thermometer S?

熱中症予報計 ships an update every 5 months, and Thermometer S every 4 weeks. Most recently, 熱中症予報計 was updated on October 3, 2026 and Thermometer S on September 25, 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.*