# Plain｜騒音を検知して環境音を自動再生 vs Noise Meter

The clearest difference is iOS requirement: Noise Meter at 15.1 against Plain｜騒音を検知して環境音を自動再生's 26.2. 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.

## The numbers

| Metric | Plain｜騒音を検知して環境音を自動再生 | Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 12 MB | 31 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KIICHI STUDIO](https://appshunter.io/developer/1855811809) | [pilyeong heo](https://appshunter.io/developer/1835315150) |

## What reviewers say

### Plain｜騒音を検知して環境音を自動再生

[App page](https://appshunter.io/ios/app/plain/id6761727598)

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

**In-app purchases:** none


### Noise Meter

[App page](https://appshunter.io/ios/app/noise-meter-db-sound-level/id6765851237)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plain｜騒音を検知して環境音を自動再生 free?

Plain｜騒音を検知して環境音を自動再生 is free to download, with no in-app purchases.

### Is Noise Meter free?

Noise Meter is free to download, with no in-app purchases.

### Do Plain｜騒音を検知して環境音を自動再生 or Noise Meter have ads?

Neither Plain｜騒音を検知して環境音を自動再生 nor Noise Meter shows ads.

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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.*