# Simple Decibel Meter2 — Real-time Noise Detection and

> Real-time Noise Detection and (iPhone/iPad app by hao du.)

- Source: https://appshunter.io/ios/app/simple-decibel-meter2/id6763208916 (this page in markdown: same URL + `.md`)
- Developer: [hao du](https://appshunter.io/developer/1454457703)
- Category: Utilities
- Price: $0.29 (on sale, was $0.39)
- Age rating: 4+
- Requires: iOS 15.6 · 11 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China)
- Released: 2026-04-23
- Data updated: 2026-08-06
- User reviews in markdown: https://appshunter.io/ios/app/simple-decibel-meter2/id6763208916/reviews.md

## What is Simple Decibel Meter2?

Simple Decibel Meter is a lightweight noise detection tool. It captures ambient sound through the microphone in real time, displays the current decibel value, and provides status indicators like quiet, comfortable, and noisy. It also records peak values. Ideal for noise monitoring at home, office, classroom, and public places. Works completely offline.


## Version history (last 2 releases)

### 1.1 — 2026-07-24

Added a feedback feature.

### 1.0 — 2026-04-23

No release notes.

## More apps by hao du

- [Puzzle: Calculate 24](https://appshunter.io/ios/app/puzzle-calculate-24/id6760665747)
- [Pomodoro Focus Time](https://appshunter.io/ios/app/pomodoro-focus-time/id6761978201)
- [WiFi Password Memo](https://appshunter.io/ios/app/wifi-password-memo/id6762079284)
- [Password Generator New](https://appshunter.io/ios/app/password-generator-new/id6762613117)
- [Speed Test-2](https://appshunter.io/ios/app/speed-test-2/id6762631974)
- [节拍器极简](https://appshunter.io/ios/app/id6762840147)

All apps by hao du: https://appshunter.io/developer/1454457703

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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 2026-08-06.*