# BRAVO BEATS vs 【CO2センサー】換気エアミエル

The clearest difference is device support: BRAVO BEATS at 2 against 【CO2センサー】換気エアミエル's —. 【CO2センサー】換気エアミエル's advantage is iOS requirement (12.1 vs 16.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | BRAVO BEATS | 【CO2センサー】換気エアミエル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 18 MB | 37 MB |
| Requires iOS | 16.6 | **12.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 12+ |
| Developer | [株式会社 ブラボーグループ](https://appshunter.io/developer/1470190127) | [Step One Limited](https://appshunter.io/developer/646296997) |

## What reviewers say

### BRAVO BEATS

[App page](https://appshunter.io/ios/app/bravo-beats/id1481797689)

**In-app purchases:** none


### 【CO2センサー】換気エアミエル

[App page](https://appshunter.io/ios/app/co2/id1549479731)

**In-app purchases:** none


## Frequently asked questions

### Is BRAVO BEATS free?

BRAVO BEATS is free to download, with no in-app purchases.

### Is 【CO2センサー】換気エアミエル free?

【CO2センサー】換気エアミエル is free to download, with no in-app purchases.

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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.*