# Decibel Meter - tools — Sound Level & A/C Weighting

> Sound Level & A/C Weighting (iPhone/iPad app by 磊 陈.)

- Source: https://appshunter.io/ios/app/decibel-meter-tools/id6444677966 (this page in markdown: same URL + `.md`)
- Developer: [磊 陈](https://appshunter.io/developer/1572450407)
- Category: Utilities, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 16 MB
- Languages: American English, French (France), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Hong Kong SAR China)
- Released: 2022-12-24
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/decibel-meter-tools/id6444677966/reviews.md

## What is Decibel Meter?

Decibel Meter is a full-featured sound measurement app with exceptional accuracy and integrated spectrum analysis. It supports multiple professional calibrations and provides additional custom calibration options.
Noise is everywhere, and prolonged exposure can harm your hearing. This app helps you measure environmental noise anytime, anywhere—no extra hardware needed.
This free app delivers professional-grade results. Measure ambient noise, save your sessions, and share detailed reports easily.
Note: This app is not a medical or industrial device and is intended for personal reference only.
Features:
No ads. 100% ad-free experience.
Free access to noise measurement and test reports.
Professional audio analysis algorithms for precise results.
Export data (Audio/Video/PDF).
Clean, easy-to-use UI.
Unlock all features with Lifetime VIP:
Custom calibration parameters
Record high-quality video
Unlimited data export
One-time purchase only, no subscription. Lifetime VIP for ¥6.
Questions or feedback?
Email: 12013001@qq.com

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 永久VIP | $0.99 | one-time |



## Version history (last 5 releases)

### 1.2.5 — 2025-11-20

1) Performance improvements.

### 1.2.3 — 2024-12-19

1、优化了声音分析算法。

### 1.2.2 — 2023-09-09

1、优化了程序的性能.

### 1.2.1 — 2023-03-19

修改了一些已知的问题

### 1.1.0 — 2023-01-03

1、优化了音频分析算法。
2、修改了一些问题。

## Apps similar to Decibel Meter

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [分贝仪-专业的噪音检测工具](https://appshunter.io/ios/app/id6743854960) | — | Free | Utilities |
| [Noise Decibel Meter - dB Meter](https://appshunter.io/ios/app/noise-decibel-meter-db-meter/id6723885133) | — | Free | Utilities |
| [Decibel Meter X](https://appshunter.io/ios/app/decibel-meter-x/id6478142605) | 4.9 (18) | Free | Utilities |
| [dB Meter-Decibel  Sound Level](https://appshunter.io/ios/app/db-meter-decibel-sound-level/id1629575835) | — | Free | Utilities |
| [音频助手](https://appshunter.io/ios/app/id6449925007) | — | Free | Utilities |
| [Decibel Meter-Noise monitoring](https://appshunter.io/ios/app/decibel-meter-noise-monitoring/id1569163040) | 4.3 (11) | Free | Utilities |

## More apps by 磊 陈

- [S Password Offline Account](https://appshunter.io/ios/app/s-password-offline-account/id1586513921)
- [智能门禁-专业的门禁系统](https://appshunter.io/ios/app/id6445874929)

All apps by 磊 陈: https://appshunter.io/developer/1572450407

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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 2026-05-15.*