# インフルエンザ警戒計 vs そら気温

The clearest difference is review sentiment: インフルエンザ警戒計 at 64% against そら気温's 14%. インフルエンザ警戒計 also leads on price (Free vs $0.99). そら気温's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

インフルエンザ警戒計 is free to download; そら気温 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

インフルエンザ警戒計 ships an update every 5 months, そら気温 every 4 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | インフルエンザ警戒計 | そら気温 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | **64.3% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 7 MB | 10 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Izaki](https://appshunter.io/developer/511591595) | [sorakaze Inc.](https://appshunter.io/developer/1046448101) |

## What reviewers say

### インフルエンザ警戒計

[App page](https://appshunter.io/ios/app/id567745994)

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

**In-app purchases:** none


### そら気温

[App page](https://appshunter.io/ios/app/id700330781)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is インフルエンザ警戒計 free?

インフルエンザ警戒計 is free to download, with no in-app purchases.

### Is そら気温 free?

そら気温 costs $0.99, with no in-app purchases.

### Do インフルエンザ警戒計 or そら気温 have ads?

インフルエンザ警戒計 shows ads; そら気温 does not.

### Which is updated more often, インフルエンザ警戒計 or そら気温?

インフルエンザ警戒計 ships an update every 5 months, and そら気温 every 4 months. Most recently, インフルエンザ警戒計 was updated on November 1, 2026 and そら気温 on November 11, 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.*