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! Are these sound levels safe for my hearing? Want to know just how loud this club is? Just how loud is this lecture anyhow? 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 130 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.
- Easy to read interface with amazing graphics optimized for Retina displays!
- 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 15 decibels.
- Decide whether or not you want your device to sleep while metering.
- Reset settings to defaults.

What's New

Version 4.0.2

Minor Bug Fixes

Ratings and Reviews

4.7 out of 5

1.2K Ratings

1.2K Ratings

Great app for audiophiles and others

Kenaz Filan

If you're trying to get your speakers placed Just Right this app will help you spot dead zones and bright reflective spots. As an added bonus it is a great tool in teaching your child the difference between talking and yelling. Highly recommended.

Nags Me To Rate As Soon as I Open It

Seattle Rex

After paying & before I even measure a single sound, Dev wants me to do more for him. Screw what I want or need, my phone should be used for his benefit and I should write an ad without even seeing the app. Well, alright, this is my honest experience so far. I rated. I did what you asked, accurately and honestly. We good now? Can I use my phone for me now or do you want anything else? Pop up and let me know if I can do anything else for you.

Readings are way too low


I downloaded dbmeter pro along with one other decibel reader program. I also have a handheld decibel reader that I have used for some time. The dbmeter pro program consistently recoded readings 15 a 20 decibels less than the other two. Common logic tells me that when I am in a room where the music is very loud, the other program as well as my hand-held recording 90 dbs are much more accurate than the average 74 reading on dbmeter pro.


Performance Audio
49.3 MB
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© Performance Audio LLC, 2017


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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