# DB-Decibel sound level meter — Noise Frequency Analyzer

> Real-time, high-precision sound level meter with reporting and data export. (iPhone/iPad app by Guangzhou Linke Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/db-decibel-sound-level-meter/id6449352632 (this page in markdown: same URL + `.md`)
- Developer: [Guangzhou Linke Technology Co., Ltd](https://appshunter.io/developer/6776569852)
- Category: Productivity, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.50/5 from 33 App Store ratings · 26 written reviews indexed
- Age rating: 9+
- Requires: iOS 13.0 · 60 MB
- Languages: Danish, Russian, Norwegian Bokmål, German (Germany), Italian, Czech, Japanese, French (France), Swedish, Chinese (Simplified, China) and 6 more
- Released: 2023-05-21
- Data updated: 2026-09-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/db-decibel-sound-level-meter/id6449352632/reviews.md

## What is DB?

An app that can provide real-time distributed data, with the following features:
-High precision measurement, real-time measurement
-Provide location information for measurement
-Provide detailed measurement reports
-One click sharing of measurement data
-Support exporting audio data
-Minimalist design, one click measurement
-Supporting decibel meter data
I Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of purchase
II Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period
III Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click "App ID", go to the "Account Settings" page, click "Subscription", and select unsubscribe
IV Privacy Agreement: https://docs.qq.com/doc/DVGVuV3BPSnFieEhl
V、 Terms of Use: https://docs.qq.com/doc/DVEtuRkJ1bGxoR3RS

## Key features

- High precision real-time measurement
- Location information for measurements
- Detailed measurement reports
- One-click sharing of data
- Export audio data
- Minimalist design

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly membership | $3.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Yearly memberShip | $14.99 | per year |


## Recent user reviews (10 of 26)

All indexed reviews: https://appshunter.io/ios/app/db-decibel-sound-level-meter/id6449352632/reviews.md

### 5/5 — RAFAELSILVAMENDES

*2026-05-16*

RAFAELSILVAMENEDES

### 1/5 — Nahh

*2025-08-10*

Does not allow a engole minute as free use

**Developer response:** Olá, todas as subscrições ao aplicativo requerem confirmação manual do usuário. Os novos usuários têm uma subscrição gratuita de 3 dias com informação completa de subscrição mostrada. A taxa só será deduzida se o período de ensaio não for cancelado antes do fim. Você pode cancelar em qualquer momento em "Configurações">"ID da Apple">"Subscrição".

### 1/5 — Ruim

*2025-05-18*

Pagar por um medidor de decibéis? Kk tá bom

**Developer response:** Olá, por favor, descreva o seu problema em detalhes e nós entraremos em contato com você o mais breve possível. Obrigado!!

### 1/5 — Pago

*2024-11-14*

Finge que é gratuito mas só funciona depois de pagar uma assinatura.

**Developer response:** Olá, de acordo com seu feedback, você se inscreveu para um teste gratuito de três dias. Uma assinatura com um período de avaliação gratuito para uso pela primeira vez do aplicativo exibirá informações completas da assinatura. Se você tiver uma versão de avaliação gratuita e não a cancelou, sua conta será cobrada automaticamente com base na duração de seu plano de assinatura após o término do período de avaliação. Para evitar ser cobrado, certifique-se de cancelar um dia antes do final da avaliação gratuita. Você pode cancelar a qualquer momento em "Configurações">"ID Apple">"Assinatura".

### 1/5 — 自动扣费了半年没有使用没有开发者联系方式

*2024-09-27*

今年2月份使用的这个软件，一共就用了三次，有记录可查，但是自动每周扣费到现在快一千块钱，苹果这边没有开发者的联系方式，联系不到开发者，麻烦开发者行行好看到评论回复一下，谁的钱也不是大风刮来的，拜托您了！！

**Developer response:** 您好，根据您的反馈，您是使用了三天免费试用的订阅。应用初次使用有免费试用时间的订阅，并且会显示完整订阅信息，如果您有免费试用版，并且尚未取消，账户会在试用期结束后根据您的订阅方案期限自动扣费。为避免被收费，请务必在免费试用结束前一天取消，您可以随时在“设置”＞“Apple ID”＞“订阅”中取消。

### 1/5 — 记得提前24小时取消订阅

*2024-07-16*

虽然是有三天试用期，但是不到三天就扣我钱了，问客服才知道所有订阅都要提前24小时取消才行。虽然不理解为什么这么做，但不想花的钱绝对不会多花一分，已经申请退款了

**Developer response:** 您好，应用在您收费之前提供 3天免费试用。 非强制消费。为避免被收费，请务必在免费试用结束前一天取消，您可以随时在“设置”＞“Apple ID”＞“订阅”中取消。

### 1/5 — 没有任何提示就被扣款了

*2024-06-07*

没有明确的收费提示就被扣款了，死磕到底，必须追回扣款

**Developer response:** 您好，应用在您收费之前提供 3天免费试用。 非强制消费。为避免被收费，请务必在免费试用结束前一天取消，您可以随时在“设置”＞“Apple ID”＞“订阅”中取消。

### 1/5 — Not free

*2024-06-03*

It says it’s free. But in reality you have to enter your credit card to pay for it and you get a three day trial for free.

**Developer response:** Hello! You can choose whether to subscribe to membership based on your own needs after a 3-day free trial. When you authorized the trial, you were informed of the expiration date of the free trial, which is not mandatory consumption.

### 1/5 — Expensive

*2024-06-02*

Can’t use without signing up my credit card

**Developer response:** Hello, the application is available for a 3-day free trial before you charge. Non mandatory consumption. To avoid being charged, please make sure to cancel one day before the free trial ends. You can cancel at any time in "Settings">"Apple ID">"Subscription".

### 1/5 — 诈骗软件

*2024-04-18*

诈骗软件！每月扣5次28，退钱！！？

**Developer response:** 您好，应用在您收费之前提供 3天免费试用。 非强制消费。为避免被收费，请务必在免费试用结束前一天取消，您可以随时在“设置”＞“Apple ID”＞“订阅”中取消。

## Frequently asked questions about DB

### What is DB-Decibel's primary function?

DB-Decibel provides real-time, high-precision sound level measurements. It also offers features like location tagging, detailed reporting, and audio data export for comprehensive analysis.

### How accurate is DB-Decibel?

The app is designed for high precision measurement, as indicated by its features. User reviews highlight its accuracy, with an average rating of 4.8 stars from 17 ratings.

### What are the subscription options for DB-Decibel?

DB-Decibel offers weekly ($3.99), monthly ($4.99), and yearly ($14.99) membership plans, all with a 3-day free trial. The app is free to download and use with optional in-app purchases for membership.

### Can I cancel my DB-Decibel subscription?

Yes, you can cancel your renewal by going to your iTunes account settings, navigating to 'Subscription', and selecting unsubscribe. This process ensures you are not charged for the next subscription period.

### Does DB-Decibel have ads?

No, DB-Decibel is ad-free. The app's monetization comes from optional in-app purchases for its subscription plans.

### What devices does DB-Decibel support?

DB-Decibel is available for iPhone and iPod devices. It is designed with a minimalist interface for ease of use on these platforms.

### How often is DB-Decibel updated?

The latest version of DB-Decibel is 1.0.3, which was last updated on May 11, 2024. This indicates a relatively recent update, suggesting ongoing development and support.

### What is the age rating for DB-Decibel?

DB-Decibel has an age rating of 9+. This means it is considered appropriate for users aged 9 and older, with no mature content.

## Version history (last 4 releases)

### 1.0.3 — 2024-05-11

Add Portuguese
Fix bugs

### 1.0.2 — 2023-12-20

fix bug

### 1.0.1 — 2023-05-25

1.修复定位的bug。
2.优化ui

### 1.0.0 — 2023-05-22

No release notes.

## Apps similar to DB

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Decibel: Sound Level Meter](https://appshunter.io/ios/app/decibel-sound-level-meter/id1624742896) | 5.0 (5) | Free | Productivity |
| [Decibel Meter Sound Detector](https://appshunter.io/ios/app/decibel-meter-sound-detector/id1254994873) | 4.7 (54,030) | Free | Productivity |
| [Audio spectrum analyzer EQ Rta](https://appshunter.io/ios/app/audio-spectrum-analyzer-eq-rta/id1122398778) | 4.5 (245) | $3.99 | Productivity |
| [Decibel Sound Meter: dB SPL](https://appshunter.io/ios/app/decibel-sound-meter-db-spl/id1501310833) | 5.0 (3) | Free | Productivity |
| [Sound Meter: db Level Measure](https://appshunter.io/ios/app/sound-meter-db-level-measure/id1490688310) | 5.0 (1) | Free | Productivity |
| [Doc Scan：OCR and PDF Scanner](https://appshunter.io/ios/app/doc-scanocr-and-pdf-scanner/id1542570430) | 3.3 (7) | Free | Productivity |

## More apps by Guangzhou Linke Technology Co., Ltd

- [Scanner-PDF Scanner](https://appshunter.io/ios/app/scanner-pdf-scanner/id6740763210)
- [水印实时记录相机-水印时间地点经纬度相机](https://appshunter.io/ios/app/id6743462538)

All apps by Guangzhou Linke Technology Co., Ltd: https://appshunter.io/developer/6776569852

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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 2026-09-01.*