# サウンドチェッカー vs Silent Scan

The clearest difference is in-app purchases: サウンドチェッカー at none against Silent Scan's 1. Silent Scan's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Silent Scan sells 1 in-app purchase, starting at $1.99 per month. サウンドチェッカー asks for nothing beyond the download.

## The numbers

| Metric | サウンドチェッカー | Silent Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 27 MB | 35 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yujiro Sakai](https://appshunter.io/developer/1888860081) | [Yasuhiro Kodama](https://appshunter.io/developer/1895805086) |

## What reviewers say

### サウンドチェッカー

[App page](https://appshunter.io/ios/app/db/id6762562463)

**In-app purchases:** none


### Silent Scan

[App page](https://appshunter.io/ios/app/silent-scan/id6764492794)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


## Frequently asked questions

### Is サウンドチェッカー free?

サウンドチェッカー is free to download, with no in-app purchases.

### Is Silent Scan free?

Silent Scan is free to download, with in-app purchases available.

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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.*