Decibel Meter Pro iOS
Decibel Meter Pro icon

Decibel Meter Pro

by Performance Audio

Price: $0.99

Decibel Meter Pro is the hottest, most feature packed decibel meter on iTunes! With killer graphics optimized for the iPhone, the Retina display and the iPad! Decibel Meter Pro has been in the Top Utilities on iTunes since it's release! Download your copy today and find out why!

* Decibel Meter Pro is TUAW's Daily iPad App July 5th, 2011! *
"At US$0.99, Decibel Meter Pro is a bargain. It's a great tool for anyone who is concerned about noise levels or who needs a tool for measuring just how loud the neighbor's barking dog is."

Useful, beautiful and lots of fun, Decibel Meter Pro is a must have app for your device! Simply launch the app and start reading the sound levels that surround you every day! Want to know just how loud this club is? Decibel Meter Pro can help! Just how loud is this lecture anyhow? Decibel Meter Pro can help! How good is the sound isolation in this room? Decibel Meter Pro can help! Download Decibel Meter Pro and measure the sounds around you right now!

Decibel Meter Pro is also included in our flagship app called Audio Tool. It is a complete bundle of handy audio apps, which can also be found on iTunes.

The iPhone's built in microphone is sensitive from 0 to approximately 110 decibels.
Why aren't you getting a 0 decibel reading in a quiet room? A decibel is an actual measurement of sound pressure and aside from a vacuum chamber or out in space 0 dB is not really possible to read. An average quiet room will be in the 40-50 dB range.


  • A, B, C and Z (unweighted) frequency weightings!
  • Sensitivity Fader! Be as sensitive as you've always wanted to be!
  • Liquid rotating interface!
  • Hold your device with the mic aimed at the source. The display will automatically rotate upside down for you.
  • Start or stop Decibel Meter Pro any time. The last measurements are saved and displayed.
  • Easy to read interface with amazing graphics optimized for the new Retina display!
  • Measure the sound levels around you, with ease!
  • Large digital and analog style readouts.
  • Average, Peak and Max level displays.
  • Reset the Max level readout by tapping on it's digital readout.
  • Calibrate the measurements plus or minus 10 decibels.
  • Decide whether or not you want your device to sleep while metering.
  • Reset settings to defaults.

Decibel Meter Pro App Details & Overview

Decibel Meter Pro is an application developed by Performance Audio and released on iOS. The app is compatible with iOS 9.0 or later on the following devices: iPhone 7, iPhone 6, iPad 3, iPad Mini and iPod Touch 5G or newer.

Download the Decibel Meter Pro app and use on your iPhone or iPad. Click here to download the app for Android or Windows devices.

Developer site: Support

What's new in version 3.1

iOS 10 Compatibility. Embedded user guide and company info. The return of the 3 wheel layout. Thanks for your feedback!

Rank in top paid apps

Ranking - Apps (iPhone) - United States
  • Decibel Meter Pro is currently ranked #10 on the iOS store in united states.
  • Decibel Meter Pro is a good rated app with 4 stars.

App Updates (View More)

  • Release v2.0.5 Jul 24, 2010

More Apps by Performance Audio

App Data

Current Version: 3.1
File Size: 10Mb
Genre: Utilities
Publisher: Performance Audio
Content Rating: 4+
Users Rating: 4.00 (37 reviews)
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Decibel Meter Pro Reviews


Rated 5 out of 5
By Mslo Mom on June 5, 2017
Handy app to have. It's surprising how much ambient noise we have trained ourselves to ignore every day. No wonder...

Good screening tool

Rated 4 out of 5
By [Louie] on April 8, 2017
Good screening tool to see if advanced testing is needed.

Does what it needs to do!

Rated 5 out of 5
By Eduardo Salvador on February 22, 2017
Like using the app to help me decide how loud I can monitor stuff. Works just fine

Fun for restaurants.

Rated 5 out of 5
By Ferretgerbil on January 22, 2017
Yes, they really are as awful as they seem, and with this app you have the data to prove it....

Great app for audiophiles and others

Rated 5 out of 5
By Kenaz Filan on December 25, 2016
If you're trying to get your speakers placed Just Right this app will help you spot dead zones and bright...

Great app.....

Rated 5 out of 5
By Elmanoazul on December 25, 2016
Very accurate no complaints!! 👍🏼

No complaints

Rated 5 out of 5
By /- on December 19, 2016
When I don't have my actual meter handy, this is great for a ballpark calibration of your monitoring setup.

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