# Decibel Meter Sound Detector — Track noise around you.

> Mobile decibel meter for tracking environmental sound levels. (iPhone/iPad app by Ashraf Thoppukadavil.)

- Source: https://appshunter.io/ios/app/decibel-meter-sound-detector/id1254994873 (this page in markdown: same URL + `.md`)
- Developer: [Ashraf Thoppukadavil](https://appshunter.io/developer/1254994872)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 4.70/5 from 54,030 App Store ratings · 400 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 20 MB
- Released: 2017-08-29
- Data updated: 2026-08-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/decibel-meter-sound-detector/id1254994873/reviews.md

## What is Decibel Meter Sound Detector?

Track Environmental Noise with Ease
Monitor your surroundings with this professional-grade decibel meter app, featuring clear visual noise analysis.

The Decibel Meter app uses your device’s built-in microphone to measure sound levels in decibels (dB), offering real-time audio frequency (AF) and dB readings. It supports advanced filtering for frequency and dB ranges. You can easily share your measurements via Messages, Email, WhatsApp, Notes, and more for further analysis or documentation.

Note: The app’s accuracy is limited by your device’s microphone capabilities and is not intended to replace professional-grade sound meters. The audible frequency range is from 20 Hz to 20,000 Hz.

For additional information and comments, please contact info@ashiers.com.

FEATURES: 

- Accurate measurements
- Frequency Weighting: A, B, C, Z
- Share readings via Email, Message, Notes, WhatsApp, and more
- 1/3 octave band frequency analysis
- 20 to 130 dB
- Audible frequency range: 20 Hz to 20,000 Hz
- Intuitive design
- Advanced filter range with time-in/time-out settings
- Display current, average, and maximum values
- Display peak frequency

## Key features

- Real-time decibel (dB) readings
- Frequency weighting (A, B, C, Z)
- Share measurements via various apps
- 1/3 octave band frequency analysis
- Display current, average, and max values
- Advanced filter range settings

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Decibel Meter Premium | $4.99 | one-time |
| Decibel Meter | $1.99 | one-time |
| Decibel Meter | $4.99 | one-time |
| Decibel Meter | $9.99 | one-time |
| Decibel Meter | $19.99 | one-time |
| Decibel Meter | $29.99 | one-time |


## What do users think of Decibel Meter Sound Detector?

Overall sentiment: positive

**Pros**

- 👍 No bloatware
- 👍 Quite useful
- 👍 Excellent and useful app
- 👍 Easy to use
- 👍 Simple, clear and accurate
- 👍 Works fine
- 👍 Precise and accurate
- 👍 Straightforward interface
- 👍 Useful for measuring noise levels
- 👍 Helpful for hearing conservation
- 👍 Accurate and convenient
- 👍 Surprisingly accurate
- 👍 Clean interface
- 👍 Stunning masterpiece
- 👍 Needs more than 5 stars

**Cons**

- 🐛 Ads block settings
- 🐛 Inaccurate readings
- 🐛 Not sensitive at all
- 🐛 Dangerously inaccurate
- 🐛 Unable to record continuously

**Commonly reported bugs**

- Analyze feature is broken
- Analyze feature has backwards time axis
- Repeatedly prompts to paste from clipboard
- Freezes after a few seconds of use

**Most requested features**

- Ability to name or add notes to recordings
- Option to specify microphone to use
- Ability to stop and start new recordings without closing app
- Landscape mode
- Calibration against professional equipment
- Audible alarm for reaching set decibel level
- Display full date and time on recordings

## Recent user reviews (10 of 400)

All indexed reviews: https://appshunter.io/ios/app/decibel-meter-sound-detector/id1254994873/reviews.md

### 5/5 — It works well!!

*2026-08-19, version 3.1.1*

I am using it a lot it is accurate I recommend no scams no stopid adds at all I’d give it ten!!

### 1/5 — Worked for 2 days

*2026-08-18, version 3.1.1*

Worst app

### 5/5 — It works well!!

*2026-08-13, version 3.1.1*

I am using it a lot it is accurate I recommend no scams no stopid adds at all five five five stars

### 5/5 — 👍

*2026-08-12, version 3.1.1*

👍

### 4/5 — wonderful

*2026-08-08, version 3.1.1*

this app is so good and it has the best detecting system i could find butt the only problem is that it’s lwk delayed butt it is on top

### 5/5 — Legit.

*2026-08-07, version 3.1.1*

Surprised!  This app is perfect for what I needed it for.  Several similar but are more complex and lack general instructions.  Best of all,  my sessions have yet to be interrupted by ads!!

### 5/5 — Convenient tool

*2026-08-05, version 3.1.1*

Thank for this tool.
Really appreciate it.

### 5/5 — Good

*2026-08-05, version 3.1.1*

Ok

### 1/5 — Pointless

*2026-08-04, version 3.1.1*

Doesn’t work just tested against an actual test meter 59.5db app shows 22db, also timer doesn’t work.

### 5/5 — G

*2026-08-01, version 3.1.1*

My freinds are loud

## Frequently asked questions about Decibel Meter Sound Detector

### What does the Decibel Meter Sound Detector app do?

This app functions as a decibel meter, using your device's microphone to measure and display sound levels in decibels (dB) in real-time. It provides clear visual noise analysis and supports advanced filtering for frequency and dB ranges.

### What are the key features of this decibel meter app?

Key features include accurate dB measurements, various frequency weighting options (A, B, C, Z), the ability to share readings via email and messaging apps, 1/3 octave band frequency analysis, and display of current, average, and maximum sound values.

### Is this app free to use?

The app is free to download and use, but it offers in-app purchases for additional features or functionality. Specific pricing details for these purchases are not provided in the description.

### What devices is this app compatible with?

The app is compatible with devices that have a built-in microphone. Its accuracy is limited by the capabilities of the device's microphone and it is not intended to replace professional-grade sound meters.

### How can I use this app for noise monitoring?

You can use this app to track environmental noise around you, providing real-time audio frequency and dB readings. The ability to share measurements makes it useful for documentation or further analysis of sound environments.

## Version history (last 5 releases)

### 3.1.1 — 2025-05-06

Bug fixes

### 3.1.0 — 2025-03-31

- Summary report, snapshot report
- Bug fixes

### 3.0.1 — 2025-03-10

Fixed minor bugs and improved overall stability for a smoother experience.

### 3.0.0 — 2025-01-28

- Redesigned audio processing engine for enhanced accuracy.
- Octave band analyzer (1/3 octave).
- Advanced dB and frequency filtering with time-in/time-out settings
- Updates for new devices.
- Up to 130 dB
- Audible frequency range: 20 Hz to 20,000 Hz
- Background Mode

### 2.8.3 — 2023-11-01

# Default frequency weighting set to "A-Weighting"

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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.*