dB Meter is full of features sound level meter with exclusive accuracy of measurements plus Hearing test, Noise dosimeter, Spectrum Analyzer with RTA, FFT & Spectrogram.
Decibel Meter Pro is full of features sound level meter with exclusive accuracy of measurements and integrated Spectrum Analyzer. Calibrated with professional dB meter.
The world is a noisy place: cars, power tools, crowds, machinery, and other common sources produce amounts of noise that can, with continued exposure, lead to permanent hearing loss. Sound level meters are useful for anyone who wants to avoid exposing their ears to harmful noise levels, but who wants to spend hundreds of dollars on one?
dB Meter is free app which provides professional-quality measurement results, calibrated using an actual Nor140 high-precision decibel meter. With dB Meter, you can measure ambient noise levels, save your measurements and their locations, and share your measurements with others. dB Meter couples utility with stylish design and a polished user experience: a powerful tool in a sleek package, and at a tiny fraction of the cost of professional sound level meters.
(Please note that dB Meter Pro app is not a replacement for professional devices and should be used for personal purposes only.)
"The best way to meter sound levels" - AppAdvice
● Health App integration. Export measured noise levels and audiogram directly to Health app.
● Noise dosimeter will help you understand how noisy it is at home and at your workplace. In the event your daily permissible dose of noise is exceeded, use Noise-absorbing headsets or Earplugs.
● Enables you to overlay the ambient noise level onto photos and videos and to export the results.
● Saves location data for each measurement.
● Save measurements with custom names and rename existing measurements.
● Export measurements in CSV or Audio format.
● Allows you to save, export and play back recorded measurements.
● Highly accurate measurements.
● Integrated Fully Functional Spectrum Analyzer
● Octave Band Real Time Analyzer
● FFT Plot (Fast Fourier Transform)
● Linear and logarithm scales
● Up to 16384 FFT size
● A lot of available window functions
● Tracking for max value
● Max and Min for any selected frequency
● Stunned graphics
You can enable or disable noise levels data exporting to Health app in dB Meter Pro app settings.
Have any questions or suggestions? Write to us: email@example.com
App offers an optional monthly and annual subscriptions:
Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions will automatically renew unless autorenew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal in accordance with your plan, within 24-hours prior to the end of the current period. You can manage or turn off auto-renew in your Apple ID account settings any time after purchase. Please note, any unused portion of a free trial period will be forfeited when making a purchase of an auto-renewing subscription.
By downloading and using the app you are agreeing with
150-160 dB = Eardrum rupture
140 decibel = Aircraft carrier deck.
130 dB = Jet take-off (100 meters), gun blast at close range.
120 dB= Human pain threshold, loud rock concert.
110 decibel = Serious hearing damage if sustained for more than 1 hour.
100 dB = Serious hearing damage if sustained for more than 8 hours.
90 decibel = Likely hearing damage if sustained for more than 8 hours.
80 decibel = Potential but unlikely hearing damage if sustained for more than 8 hours.
70 dB = Just annoying, but probably safe.
60 dB= Typical conversational volume.
50 dB = A quiet, library conversation.
40 decibel = A whisper.
30 dB= Barely audible sound.
20 decibel= Threshold of human hearing.
• Minor bugfixes
• Stability improvements
Do you like the new version of the app? Share your review on the App Store.
Do you dislike anything about it? All the more reason to say something!
Your comments help make the app better and I'm value them greatly so don't hesitate to share them.
Ratings and Reviews
A valuable, reliable and convenient sound meter
For the past several years i have used this sound meter app to test each power tool in my woodshop and even my power sprayer. The meter shows the sound levels instantly in a very clear and easy to re-display. I then replaced some of my power tools like the small hand sanders with quieter units. For example I found that the Dewalt square sheet sander was much quieter than my previous small sander. I have 3M tech over the ear muffs in the shop but based on some of these readings I added foam earplugs as well.
Also i simply use this phone app to test any new devices or equipment I’m interested in buying in stores as well.
Keep in mind that the decibel level of a tool or concert depends on where you’re using it or standing. For example if you use a small high decibel device in the corner of a room it can be much much louder and more dangerous then if you use it in the center of a room!! I now, based on these meter readings, also bring earplugs to concerts and move further from the stage as needed to lower the decibels.
Developer Response ,
Hi there, thank you very much for your interesting and detailed feedback. Your support helps the developer to make the app better. Enjoy and stay safe
Accurate as a phone app can get
Thank you for this app. I was looking for something that could give me a general idea of the sound dB ranges in different locations. Since I only needed a general range for this project I looked for a free or low cost app. It worked better than I expected a phone app would be able to.
I felt the need to leave a review as I am surprised at the amount of people that left negative reviews. The iPhone mic is quite different than a calibrated device that cost $100 and up. Not to mention variances in cases, dirt build up, people’s hand placement, even the direction the mic is being pointed at could slightly alter results. All that said this was accurate within 5db up or down in my results. Considering all I mentioned above that is pretty good. If you need something highly accurate for something of importance you should be looking into an calibrated device made for such things.
Developer Response ,
Thank you so much for your positive feedback. It's inspired.
Great free app
This is a great free app. You can expect some adds. This is a great app for measuring noise. I'm using the app to measure noise in my home. I'm trying to find the source. I cant find the source because the sound level is the same everywhere. But what I can do is measure the sound level when it sounds louder. The app works amazingly well for that purpose. I don't have a couple thousand dollars to purchase a real sound meter. Im obviously not a pro in the sound field. This app is excellent for measuring sound level. The numbers may be different if I spend a couple thousand dollars on a pro model but I only care about seeing if the number goes up or down. So If pro model read 7 and app said 12 and later that day I felt like the noise was louder and I measured the sound, it wouldnt matter to me if pro model said 17 and app said 22. So, perfect for my purposes and its free! Thank you Mr Developer😁
Developer Response ,
Thank you for your feedback. Totally agree. It looks like a bug. But unfortunately we will be unable to reproduce it and get any further info since it only shows once. It would be great if next time you notice some not user-friendly behavior take a screenshot of it and send me a bug report from app settings - Feedback. It will provide me some additional info and insights how to find and fix the issue. My primary goal is a customer satisfaction. If something went wrong it's not because I'd like to make the flow harder but because of logic bug. I'm just a man and I can produce some. Sorry for the inconvenience.
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- Vlad Polyanskiy
- 71.5 MB
- Requires iOS 11.3 or later.
- Requires iPadOS 11.3 or later.
- iPod touch
- Requires iOS 11.3 or later.
- Requires macOS 11.0 or later and a Mac with Apple M1 chip.
English, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish, Vietnamese
- Age Rating
- © Vlad Polyanskiy
- In-App Purchases
- Premium Mode $7.99
- Decibel Meter Pro $9.99
- Premium Mode Subscription $14.99
With Family Sharing set up, up to six family members can use this app.