# スマート温湿度計 vs 発熱スマホお知らせ

The clearest difference is price: スマート温湿度計 at Free against 発熱スマホお知らせ's $0.49. スマート温湿度計 also leads on iOS requirement (12.0 vs 15.0). 発熱スマホお知らせ's advantage is update cadence (monthly vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

スマート温湿度計 is free to download; 発熱スマホお知らせ costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

スマート温湿度計 ships an update every 6 months, 発熱スマホお知らせ monthly. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | スマート温湿度計 | 発熱スマホお知らせ |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 34 MB | 13 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### スマート温湿度計

[App page](https://appshunter.io/ios/app/id6443804289)

**Features:** macOS Compatibility

**In-app purchases:** none


### 発熱スマホお知らせ

[App page](https://appshunter.io/ios/app/id6770140985)

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

**In-app purchases:** none


## Frequently asked questions

### Is スマート温湿度計 free?

スマート温湿度計 is free to download, with no in-app purchases.

### Is 発熱スマホお知らせ free?

発熱スマホお知らせ costs $0.49, with no in-app purchases.

### Do スマート温湿度計 or 発熱スマホお知らせ have ads?

Neither スマート温湿度計 nor 発熱スマホお知らせ shows ads.

### Which is updated more often, スマート温湿度計 or 発熱スマホお知らせ?

スマート温湿度計 ships an update every 6 months, and 発熱スマホお知らせ monthly. Most recently, スマート温湿度計 was updated on October 1, 2026 and 発熱スマホお知らせ on October 14, 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.*