# サウンドチェッカー - 騒音計dBデシベル測定

> サウンドチェッカー - 騒音計dBデシベル測定 (iPhone/iPad app by Yujiro Sakai.)

- Source: https://appshunter.io/ios/app/db/id6762562463 (this page in markdown: same URL + `.md`)
- Developer: [Yujiro Sakai](https://appshunter.io/developer/1888860081)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 27 MB
- Languages: Japanese
- Released: 2026-04-21
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/db/id6762562463/reviews.md

## What is サウンドチェッカー?

What's the noise level around you?
  Sound Checker measures ambient noise levels in real-time using your phone's microphone.

  - Check apartment noise from neighbors
  - Measure snoring or teeth grinding volume
  - Monitor noise at construction sites or events
  - Check sound levels in your baby's room
  - Measure quietness of cafes and offices

  Features:
  - Real-time dB measurement with large meter display
  - 30-second waveform graph
  - Measurement history (min/avg/max dB auto-saved)
  - WHO noise level guidelines & Japan environmental standards

  Your microphone is used only for measurement. No audio data is stored or transmitted. Completely free with all
  features available.

  Note: This app provides approximate noise level readings using your smartphone's microphone. For legal evidence or
  precise measurements, please use a professional sound level meter.


## Version history (last 1 release)

### 1.0 — 2026-04-21

No release notes.

## More apps by Yujiro Sakai

- [雑学クイズ](https://appshunter.io/ios/app/id6761318868)
- [補助金サーチ](https://appshunter.io/ios/app/id6761517829)
- [推し活カレンダー](https://appshunter.io/ios/app/id6761763964)
- [バック計算 - 夜職給料管理](https://appshunter.io/ios/app/id6761976631)
- [忌引き＆葬儀マナーガイド](https://appshunter.io/ios/app/id6762814704)

All apps by Yujiro Sakai: https://appshunter.io/developer/1888860081

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*