# Decibel Meter X - Sound Level — Noise Recorder, Analyzer & FFT

> iPhone-based sound level meter with spectrum analysis and noise exposure tracking. (iPhone/iPad app by 永刚 陈.)

- Source: https://appshunter.io/ios/app/decibel-meter-x-sound-level/id6758970624 (this page in markdown: same URL + `.md`)
- Developer: [永刚 陈](https://appshunter.io/developer/1289220847)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 7 MB
- Languages: American English, French (France), German (Germany), Indonesian, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish and 2 more
- Released: 2026-02-19
- Data updated: 2026-11-05
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/decibel-meter-x-sound-level/id6758970624/reviews.md

## What is Decibel Meter X?

Your pocket acoustic lab.

Turn your iPhone into a high-precision sound level meter for environmental noise checks, workplace safety, and evidence recording. Get reliable readings plus real-time spectrum analysis and hearing-protection insights.

[Key Features]
• Multiple weighting modes: calibrated dB readings with A/B/C/Z and ITU-R 468.
• Real-time spectrum: high-speed FFT with a clear 20Hz–20kHz distribution.
• Noise exposure tracking: OSHA/NIOSH Dose and TWA with risk alerts.
• Recording for evidence: record while measuring, supports background recording.
• Auto Pause: automatically pauses recording below a threshold and resumes above it.
• iCloud sync: measurements and recordings sync across devices.
• Professional reports: export PDF with trends, max/min/avg, and location.
• Calibration & privacy: manual device calibration; data stored locally or in your iCloud.

[Common Scenarios]
• Neighbor noise evidence: accurately record renovation/party noise levels and recordings to support complaints and dispute resolution.
• Sleep environment monitoring: check bedroom background noise, identify sources that affect sleep, improve rest quality.
• Workplace assessment: monitor noise exposure in factories, construction sites, or offices to prevent occupational hearing loss.
• Appliance noise testing: check whether air conditioners, refrigerators, or ventilation systems exceed limits for quality checks or returns.
• Hearing protection: monitor levels at concerts, clubs, and other loud environments to avoid irreversible hearing damage.

[Privacy]
Microphone access is only for sound analysis. Audio stays local or in your private iCloud.

[Subscription Info]
• You can subscribe for unlimited access to all features of Decibel Meter.
• Subscriptions are billed monthly or annually at the rate selected depending on the subscription plan.

By using this App, you agree to our Privacy Policy and Terms of Use:
http://cpux.gmud.top/web/soundmeterx/privacy-en.html
http://cpux.gmud.top/web/soundmeterx/terms-en.html

## Key features

- Multiple weighting modes (A/B/C/Z, ITU-R 468)
- Real-time FFT spectrum analysis (20Hz–20kHz)
- Noise exposure tracking (OSHA/NIOSH Dose/TWA)
- Background recording for evidence
- Auto-pause recording below threshold
- iCloud sync for measurements and recordings
- Professional PDF report export

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro | $1.99 | per month |
| Pro | $14.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro | $29.99 | one-time |


## Is Decibel Meter X safe?

Not enough ratings yet to assess Decibel Meter X.

## Is Decibel Meter X legit?

Decibel Meter X - Sound Level appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Decibel Meter X is 75 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/decibel-meter-x-sound-level/id6758970624/reviews.md

### 5/5 — 实用app

*2026-02-25*

很好用的app，非常实用，功能很全

## Frequently asked questions about Decibel Meter X

### What are the subscription options for Decibel Meter X?

Decibel Meter X offers a Pro subscription billed monthly at $1.99 or annually at $14.99. The annual plan includes a 7-day free trial, allowing you to explore all features before committing.

### Does Decibel Meter X have ads?

No, Decibel Meter X is ad-free. This ensures an uninterrupted user experience while you are conducting sound measurements and analysis.

### How accurate are the readings from Decibel Meter X?

The app provides high-precision sound level readings and features manual device calibration to enhance accuracy. It supports multiple weighting modes for comprehensive environmental noise checks.

### Can I record audio with Decibel Meter X?

Yes, Decibel Meter X allows you to record audio while measuring sound levels, which is useful for evidence. It also supports background recording and an auto-pause feature for efficiency.

### What devices is Decibel Meter X compatible with?

Decibel Meter X is available for iPhone and iPad devices. It leverages the device's microphone for sound analysis.

### How often is Decibel Meter X updated?

The latest version of Decibel Meter X is 1.1.1, last updated on November 2, 2026. Updates typically include feature enhancements and performance improvements.

### What kind of reports can I generate with Decibel Meter X?

You can export professional PDF reports that include measurement trends, maximum, minimum, and average decibel levels, along with location data. This is valuable for documentation and dispute resolution.

### Is my data private when using Decibel Meter X?

Yes, privacy is a key focus. Microphone access is solely for sound analysis, and your audio data is stored locally on your device or within your private iCloud account.

## Version history (last 5 releases)

### 1.1.1 — 2026-11-02

- Optimized for new devices including iPhone Duo and iOS 27
- Brand new app icon and refreshed visual design
- Added Live Activities and Keep Screen On support (toggle in App Settings)
- Fixed known issues and improved app stability

### 1.1.0 — 2026-10-29

- Optimized for new devices including iPhone Duo and iOS 27
- Brand new app icon and refreshed visual design
- Added Live Activities and Keep Screen On support (toggle in App Settings)
- Fixed known issues and improved app stability

### 1.0.2 — 2026-02-25

- Added haptic feedback
- Improved UI and chart visual experience
- Fixed known issues and improved app stability

### 1.0.1 — 2026-02-23

- Added haptic feedback
- Improved UI and chart visual experience
- Fixed known issues and improved app stability

### 1.0.0 — 2026-02-19

No release notes.

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All apps by 永刚 陈: https://appshunter.io/developer/1289220847

## Related topics

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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 2026-11-05.*