Sound Meter 4.0.3

Smart Tools co. – Freeware – Android iOS
out of 7021 votes

Sound Meter is part of the Smart Tools collection, specifically the 4th set. It provides a convenient solution for those who have experienced noise disturbances from neighbors.

The SPL (sound pressure level) meter app utilizes the embedded microphone on your smartphone to measure and display noise volume in decibels (dB), along with a reference point. It's worth noting that the majority of smartphone microphones are optimized for human voice frequencies (300-3400Hz, 40-60dB) since they are primarily used for voice calls.

Due to this design limitation, manufacturers have placed constraints on the maximum decibel value that can be captured by the microphone. As a result, very loud sounds exceeding 100 dB may not be accurately detected by the app. For example, the Moto G4 has a maximum limit of 94 dB, the Galaxy S6 85 dB, and the Nexus 5 82 dB.

This app allows you to easily assess if your voice projection in a lecture or the volume of a TV you have turned on is excessive. The 6th image showcases the calibration process using an actual sound meter (dBA) on major Android devices. You can rely on this app for everyday noise levels ranging between 40-70 dB, serving as a helpful auxiliary tool.

Main features include:

Upside down mode
Level notification
Line-chart duration
Utilizes material design principles for a modern user interface

The Pro version offers additional features such as:

An ad-free experience
Vibrometer functionality
A statistic menu
Ability to export data as CSV files

If you're looking for more tools, consider downloading the Smart Meter Pro and Smart Tools package.

For further information, we recommend checking out our YouTube channel and blog. Thank you for your interest.

Overview

Sound Meter is a Freeware software in the category System Utilities developed by Smart Tools co..

The latest version of Sound Meter is 4.0.3, released on 01/08/2025. It was initially added to our database on 10/16/2023.

Sound Meter runs on the following operating systems: Android/iOS.

Users of Sound Meter gave it a rating of 5 out of 5 stars.

Pros

User-friendly interface that is easy to navigate.
Accurate sound level measurements with real-time feedback.
Wide range of measurement options, including decibel weighting and frequency analysis.
Calibratable settings for more precise results in varying environments.
Records sound data for later review or analysis.
Includes additional features like a spectrum and oscilloscope view.

Cons

May require calibration for optimal accuracy, which can be confusing for some users.
Performance may vary based on device microphone quality.
Limited advanced features compared to professional sound measurement equipment.
Can consume significant battery power during extended use.
Might not provide detailed contextual information for noise sources.

FAQ

What is the Sound Meter app used for?

The Sound Meter app is used to measure sound levels in decibels (dB) using your smartphone's microphone.

Is the Sound Meter app accurate?

The accuracy can vary based on the device's microphone quality and environmental factors, but it generally provides a good estimate of sound levels.

Can I use the Sound Meter app indoors and outdoors?

Yes, the app can be used both indoors and outdoors to measure sound levels in various environments.

What is the range of sound detection for the Sound Meter app?

The typical range is from about 30 dB (quiet) to 120 dB (loud), although this may vary with different devices.

Does the Sound Meter app record sound?

No, the app only measures and displays dB levels; it does not record audio.

Is there a calibration feature in the Sound Meter app?

Yes, users can calibrate the app based on a known sound level for improved accuracy.

Is the Sound Meter app free to download?

Yes, the basic version of the Sound Meter app is free, with optional in-app purchases for additional features.

What platforms is the Sound Meter app available on?

The Sound Meter app is available for both Android and iOS devices.

Can I save or share my measurements from the Sound Meter app?

Yes, users can save their measurements and share them through various platforms from within the app.

What are some practical uses for the Sound Meter app?

Users can use it for noise level assessments in construction sites, monitoring sound exposure, or checking compliance with noise regulations.

Screenshots (Click to view larger)

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