Best & Most Accurate Decibel Meter App For Android/iPhone [2019]

Ranjeet KumarReviewed by Mr. Ranjeet Kumar Sr. Audiologist, Speech Therapist & Cochlear Implant Specialist, BASLP on Jan 14th, 2020 written by Editorial Team

A decibel meter app is used to measure noise. because a very dangerous type of pollution which unable to tolerate not only by humans but by all other living things on this planet is noise pollution.

Well, believe it or not, we humans are solely responsible for creating ‘man-made environmental noise’ in our beautiful world and we now have to bear the consequences.

Noise is anything that is unbearable to our ears, which also leads to other health conditions such as psychological problems, trauma, depression, irritation, high blood pressure and even something as fatal as a cardiac arrest (or heart attack) in people.

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As new inventions came along to make our lives much easier, there are many ways you can use to get prevention from noises that can cause harm to your ear or hearing and knowing that which sound or noise is harmful to you is the best and easiest way to keep your hearing safe by staying away from it or taking precautions for it.

In this article, we have suggested some best decibel meter app granting you the readings in noisy surroundings.

If you wish to buy Decibel Meter to monitor noise, you can buy it directly from Amazon just by clicking on the image or button below.

BAFX Products - Decibel Meter / Sound Pressure Level Reader (SPL)

Before getting to the list of best and top sound meter decibel app that can give you accurate information about sound decibels around you at any time, first have a look at what we will be discussing in this post.

Why You Should Use The Decibel Meter App?

Hearing loss is the fourth highest cause of disability across the world. And it’s expected to get much worse. In the U.S alone, one in four adults show signs of noise-induced hearing loss.

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One of the main reasons behind it is – all the noise that’s around us every day.

A potential limitation is there on these decibel apps because it can not measure the maximum sound level, you may not be able to measure sounds over 90 dB. These are a good auxiliary option for most users.

This is the sound of traffic in India. People are exposed to these sounds on a regular basis. All these noises are really annoying and also killing your ears.

A certain level of sound is okay for your hearing, exceeding that level can prove to be harmful to your ears.

So technically saying, it is noise pollution which is harming your ears or hearing. Now let’s have a look at how is noise pollution is affecting your hearing and some other related important tips like which level of sound decibel you can expose and for how much time.


Noise Pollution Affecting Your Hearing

According to the Environmental Protection Agency, the best way to protect your hearing is to limit noise levels to 70 decibels. And Hearing experts agree that continued exposure to noise above 85 dB will eventually harm you.

People ride public metros, trains, buses for hours every day and it’s really really loud. As per the Times of India article, the busy ITO Junction in Delhi registers around 74 decibels of sound on a normal day.

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Common Sound Decibels and Their Effects

A small hair cell transmits the electrical signal to your brain. These hair cells are often hurt or damaged by an extremely loud noise like attending rock concerts, working with shop tools, and operating lawn mowing equipment.

Many extremely loud sounds, can destroy these delicate hair cells, resulting in hearing loss and even annoying tinnitus, or ringing in the ears.

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How to help yourself?

To help yourself, you may put on earphones or headphones. But that doesn’t really help. Smartphones at the highest sound may generate noise up to 100 decibels. Using hearing protection devices such as earplugs can be useful in noisy conditions.

As per a report of the World Health Organization, a place with 105 decibels surrounding can damage your hearing in less than an hour. And the worst thing about hearing loss is that ear damage is irreversible.

Decibel is (abbreviated as dB, and also as DB) is a unit to measure the intensity of a sound by comparing it with a given level on a logarithmic scale.

A decibel or sound level meter is a tool or machine with a microphone used for sound test and measurement.

Now we will discuss which level we should or shouldn’t expose and for how much time it can listen without any harm.

Sound Decibel Exposure Time Guidelines

Following list represents the amount and time limit of an individual for sound exposure:

Continuous dBPermissible Exposure Time
85 dB8 hours
88 dB4 hours
91 dB2 hours
94 dB1 hour
97 dB30 minutes
100 dB15 minutes
103 dB7.5 minutes
106 dB3.75 minutes (<4 min)
109 dB1.875 minutes (<2 min)
112 dB.9375 minutes (¬1 min)
115 dB.46875 minutes (¬30 sec)

We hope, you have understood how too much loud noise can ruin your hearing. But how do you know when the sound level is too loud? How to measure the noise level?

In this article, you will get familiar with the best dB meter app online to measure noise levels. These are the app to measure decibels. You can use them online or either install this application in your device (Android, iPhone).

If you are curious about the noise levels around you, dB meter apps will tell you exactly how much noise you are exposed to.


These noise measurement apps for noise levels make it easy to take control of your health and hearing by avoiding activities and locations that may be exposed to loud sounds.

A potential limitation is that because maximum decibel levels are limited by some devices, you may not be able to measure sounds over 90 dB. The decibel meter app is a good auxiliary option for most uses but is not recommended if you need to measure very high noise levels.

Most Accurate Decibel Meter App (Android)

Following is a list of Best Decibel meter apps which are available on Google Play for Android users:

1. Sound Level Meter

Sound level Meter

Available on Google Play

A sound level meter for android is one of the best sound meter app. This is the best SPL meter app among others. which displays the decibel values by estimating the environmental noise and displays the measured dB values in various forms.

You can experience the calculated decibel values in a tidy graphic design with a high frame using this app. The sound level meter app indicates decibel by gauge.

Now you might be guessing how to calibrate the Sound Meter app? Also, you will be happy to know that this app helps you in this situation by displaying the minimum/average/maximum decibel values. In addition to this, it can also calibrate decibels for each device.

2. Sound Meter & Noise Detector

Sound Meter & Noise Detector

Available on Google Play

This app will use the microphone of your smartphone device to measure the environmental noise decibels (dB) and show a value for reference. This app performs a simple operation that is easy to use. It is the best android decibel meter.

The elevated decibel value will be harmful to your physical as well as mental health and for hearing abilities too. You’d better avoid exposure in noisy environments.

3. Sound Meter – Decibel Meter & Noise Meter

Sound Meter - Decibel Meter & Noise Meter

Available on Google Play

The sound meter app uses your smartphone’s microphone to measure noise volume in decibels (dB). This noise meter app is said to be the best decibel meter app for android through which you can easily measure the current level of environmental noise. The best helper to detect noise. Sound meter Features:

– Indicates decibel by gauge
– Shows the current noise reference
– Display min/avg/max decibel values
– Shows decibel by the graph, easy to understand

4. Sound Meter HQ

Sound Meter HQ

Available on Google Play

This app is recognized to be a great app for noise level which measures the noise level of surroundings with the help of a built-in microphone. The result of the measurements is displayed in decibels on the screen of your phone. The calculated value of the noise level is displayed with the help of an indicator on the gauge.


The range of measurements from the environment is between 0-140 dB. Besides this current measurement. The application displays also a minimum and maximum level of the sound. You can clear minimum and maximum measurements at any time by using the “Reset” button.

5. Sound Meter – Decibel

Sound Meter - Decibel

Available on Google Play

It measures the sound level of surrounding and measure noise level in decibels. It calculates the level of noise of the current environment. Its features include:

– Division Gage
– Bar Graph
– Chart Graph
– Display Min Max Average Decibel
– Display Measure Time
– Calibration Decibel

6. Sound Meter

Sound Meter app

Available on  Google Play

It shows decibel values in various forms like green, yellow and red indicators by measure the environmental noise for safety. With a smart and best sound meter app, you can experience an orderly graphic design with a high frame.

This app is a good auxiliary option for most uses. Google play provides it with a 4.7 rating. But we will not recommend this app if you need to measure very high noise levels.

7. Sound Meter Pro

Sound meter pro app

Available on  Google Play

It is an android app that is provided with a 4.4 rating by its users. It uses an Android device microphone to measure levels of noise or sound pressure levels.

And this app displays measured data in dB with reference to generally known noise or displays the noise data on easy to read graph for the last 30 seconds of app use.

8. Too Noisy Pro

Too Noisy Pro

Available on Google Play

This app is for those people who try to keep the level of noise under the control of a group of youngsters. It is a simple, engaging and fun app that kids enjoy and also respond to.

They have a “Session Timer” option by which the teachers are able to set a fix time period for the noise of the classroom to be monitored. If the kids in the class keep their noises under the control level for the entire session then they will get 10 stars.

9. Decibel X

Decibel X

Available on Google Play

Decibel X has highly reliable, pre-calibrated, accurate and easily portable dBA measurements. Also, it is one of the very rare sound meter apps on the market It got a rating of 4.6 by its users.


The app displays Current, Average/Leq, and Max values with both nice and clear digital and analog layout with a standard measurement range from 30 to 130 dBA.

Each record can be exported as a PNG graph or CSV text via sharing services in this app.

Decibel Meter App For iPhone

Following is a list of best decibel meter apps which are available on iTunes for iPhone, iPad, and iPod Touch users:

1. Noise Hunter

Noise hunter

Available on iTunes

This app is one of the best sound meter app for iPhone which visualizes the sources of sound and defines the positions of the sources. The app transforms each iPod Touch, iPhone, or iPad into a high-quality measuring device featuring a lot of practice-oriented functions.

It is a paid app with a 4+ rating from the users. This app is using beamforming technology to define the sound sources measured by multi microphones array.

2. Decibel Meter – Measure dB Level

Decibel Meter - Measure dB Level

Available on iTunes

This app is the best dB meter app for iPhone which is very easy to use at any time and anywhere and this app not only provide noise detection reference but also provides detection of location information.

This helps you in finding out the songs that are louder and harmful to your hearing. This app is compatible with iPad, iPad touch and iPhones and it requires iOS 11.0.

3. Too Noisy Pro

Too Noisy Pro

Available on iTunes

4. Decibel X

Decibel X

Available on iTunes

5. Sound Meter – Noise Detector

Sound Meter - Noise Detector

Available on iTunes

This app measures the displays the dB values in various forms by measuring the noise level. By using this app, you can also experience little graphic design along with a high frame.

This app is a newer version brings you an improvement in performance and bug is being fixed. This app is compatible with iPod Touch, iPad, and iPhone and it requires iOS 7.0.

6. Decibel – Accurate dB Meter

Decibel - Accurate dB Meter

Available on iTunes


This is the best free iPhone decibel meter app that can turn your iPod Touch, iPhone and iPad into a professional sound decibel meter. The app is also known as the best iPhone dB meter or best iPhone decibel meter That is capable of getting the accurate decibel levels. This app can also specifically measure the level of sound pressure around you.

This application is now updated for XS, XR, and Max also. It requires iOS 8.0 and compatible with iPod touch, iPhone, and iPad.

7. NIOSH Sound Level Meter

NIOSH Sound Level Meter

Available on iTunes

Developed by the National Institute for Occupational Safety and Health (NIOSH), this app is exclusive to the iPhone and is a useful tool for anyone working in noisy environments.

This app undergoes extensive laboratory testing in order to meet the approved criteria for sound measurement, within 2dB of a type 1 sound meter. If it is used with a calibrated external microphone, the app has proven to work within 1dB of the type 1 sound meter.

Key benefits of NIOSH Sound Level Meter App

  • Raises workers awareness.
  • Enables workers to make informed decisions about potential hazards.
  • This app serves as a research tool to collect noise exposure data.
  • Promotes better hearing health and prevention measures.

Noise pollution is much more harmful to you than you think. In 2016 a total of 54.5% of the world’s population lived in cities. By 2030, it will cross 60%. Noise pollution can be found anywhere, but it is especially bad in cities.

You should start using any of the sound monitoring equipment to measure loud sounds around you. Try to protect your ears & be healthy.

If you wish to buy Decibel Meter to monitor noise, you can buy it directly from Amazon just by clicking on the image or button below.

BAFX Products - Decibel Meter / Sound Pressure Level Reader (SPL)

If you think, your hearing had been already affected, try visiting our hearing clinic to have your hearing tested.

You can purchase the latest hearing aids at a fair price through HearingSol, If you need any assistance or you have a query regarding Hearing Loss, feel free to call us at 1800-121-4408. We are always here to help you.


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