# Decibel: Sound & Noise Meter — Noise Detector & Scream Game

> Noise Detector & Scream Game (iPhone/iPad app by 杨柳 孙.)

- Source: https://appshunter.io/ios/app/decibel-sound-and-noise-meter/id6760894033 (this page in markdown: same URL + `.md`)
- Developer: [杨柳 孙](https://appshunter.io/developer/1878331190)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 1 MB
- Languages: American English, Arabic, Dutch, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Korean and 10 more
- Released: 2026-03-28
- Data updated: 2026-08-27
- User reviews in markdown: https://appshunter.io/ios/app/decibel-sound-and-noise-meter/id6760894033/reviews.md

## What is Decibel?

Decibel Meter is your personal, professional noise detection tool. Instantly test and track ambient sound levels anytime, anywhere using your iPhone.

Key Features:
• Precise Decibel Meter: Powered by high-accuracy audio algorithms to measure real-time sound levels in dB (SPL) with an intuitive meter view.
• Comprehensive Statistics: Tracks real-time, Minimum, Maximum, and Average decibel values for complete environmental insight.
• Smart Noise Status Alerts: Clear visual warnings and health status indicators (Quiet, Normal Conversation, Loud, Hearing Risk, Dangerous).
• Fun Scream Challenge: Relieve stress and test your voice power! Scream as loud as you can and climb the global leaderboards.
• Hearing Health Guide: Educational tips on decibel safety standards and noise protection advice.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 小赏一下 - 发芽啦 | $0.99 | one-time |
| 大赏一记 - 发大财啦 | $12.99 | one-time |
| 中赏一波 - 发发哒 | $0.99 | one-time |



## Version history (last 5 releases)

### 1.0.5 — 2026-08-19

Bug fixes and performance improvements.

### 1.0.3 — 2026-05-22

【新增】新增统计事件

### 1.0.2 — 2026-04-05

【优化】上传成绩失败时添加重试按钮

### 1.0.1 — 2026-03-30

【新增】尖叫挑战

### 1.0 — 2026-03-29

No release notes.

## More apps by 杨柳 孙

- [Free Passport & ID Photo Maker](https://appshunter.io/ios/app/free-passport-and-id-photo-maker/id6759385060)
- [Long Screenshot: Chat Stitch](https://appshunter.io/ios/app/long-screenshot-chat-stitch/id6759634662)
- [Speaker Mic - Voice Amplifier](https://appshunter.io/ios/app/speaker-mic-voice-amplifier/id6760217493)
- [QuickShot - Snap & Sync to PC](https://appshunter.io/ios/app/quickshot-snap-and-sync-to-pc/id6760936076)
- [锤爆压力 - 职场打工人解压神器](https://appshunter.io/ios/app/id6761704125)

All apps by 杨柳 孙: https://appshunter.io/developer/1878331190

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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 2026-08-27.*