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Decibel Meter app for iPhone and iPad


4.5 ( 55 ratings )
Utilities Entertainment
Developer: Future Apps Inc.
1.99 USD
Current version: 1.8, last update: 8 months ago
First release : 30 Aug 2008
App size: 585.99 Kb

Decibel Meter has been updated to be fully compatible with iOS 4, and multitasking aware. We have also updated Decibel Meter to work with the iPod touch! So if you have an iPod Touch with an internal or external mic you can enjoy the best sound meter on the App Store.
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Ever wonder how loud a sound really is? Well now you can with Decibel Meter! Decibel Meter uses your iPhone’s built in Mic to determine the intensity level of sounds it picks up, and displays it in dB SPL (Decibel Sound Pressure Level). *

Simply start up Decibel Meter and it will automatically start sampling sounds, and shows you the RMS average decibel reading as well as the peak decibel reading. Decibel Meter also provides a fun graphical way of interpreting the level of sound.

The iPhone’s built in Mic has the ability to pick up sounds near 0 dB SPL and up to around 110 dB SPL. Be sure to check out our website for a better understand of how decibels are measured!

FEATURES:
-Easy to use, little user interaction required
-Easy to read Display
-Multiple views! Choose between level meter, and graph view
- Average and peak decibel levels, as well as peak hold feature
-User adjustable sample rate
-Graphical representation of sound level




*Decibel Meter should be used for entertainment purposes; the iPhone’s built in mic is not sensitive enough for professional level sound metering.

Pros and cons of Decibel Meter app for iPhone and iPad

Decibel Meter app good for

Very nice and simple. Now I can "proof" to my daugthers when the music is way too loud. Should have a memory check later the peaks and maybe the average.
This app does what it says. The updated version is even better. Lets face it this and all other similar ones depend on the accuracy of iPhone mic. You want 100% results, the should get a professional unit. I wish it would measure higher than 100 Decibels. 140 or even 150. I strongly hope it will be on the next update. I use it in music halls etc when DJ or Musicians go very loud. It is an ideal way to calm down ear piercing loud music to bring comfort to listeners. Thank you
App doesnt quit. It works perfectly fine but pressing the home button doesnt seem to have much effect on the app. All control functions/ home button/ sleep button were non-responsive until i connect the computer. So i cant use it outside. I want my money back...
For all of the idiots giving low reviews because it doesnt close, you need to press the "stop sampling" button on the bottom left of the screen. The app does what it says and is all I need.
This will be a tremendous tool for helping me learn how loud decibels are. Well worth the price.
Does what it says and I have found it very educational. I would like to see A weighting, and smoother averaging, bit overall a swell little app. You might be suprised how loud that music is you are listening too. Hearing loss occurs at just 85 dB prolonged exposure.

Some bad moments

Well, its defenitly not worth more than a dollar. Great idea but a finger clap at one foot gives me a peak reading of 115db!!! The average reading is +_ 10db accurate so it is just a toy for now. With a weighting value and calibration maybe we could get somewhere? I had the app freezing and quiting one me once but nothing harmfull...
As another reviewer commented, the meter seems quite off the mark with simple sounds like a foot tapping (peaks with sudden sounds) and is fairly useless outside of measuring average street/ambient sounds. It would have been useful for accurately measuring louder volumes such as in theaters and clubs, but right now its an unfortunate toy.
As posted by another user, this app will not close once started. Phone has to be hard booted to clear. Already deleted and I want a refund!!!!!
I have a iPhone 5 and it worked the first ten minutes. Now it crashes and wont open. I tried resetting phone and app. Waste of money and I would like a refund
Do not buy this app I wasted a dollar and its way off db levels are no where close to what they should be.
It only goes to 114dB. I was excited to see how loud it was behind my drumset during a concert - Apparently too loud. Musicians: Steer Clear!

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