Description

"Decibel X" is the leading noise meter app on the market, which has highly reliable, pre-calibrated measurements and supports dBA, dBC. Our success lies at the intersection of expertise in sound communication, listening to our dear users, and our vision to build a great product. Our app turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. While this pro tool mainly aids audio experts or workers prone to noise pollution, it can also add more fun and protect your hearing. Have you ever wondered how quiet your surroundings are or how loud is a rock concert or football match? "Decibel X" will help you answer all of those.
WHAT MAKE IT GREAT AND STAND OUT FROM OTHER APPS:
- Trusted accuracy: the app is tested and pre calibrated for all Apple devices. The precision is matching with real SPL devices
- Apple Watch support: see noise level right from your wrist
- Health App integration: export noise levels directly into Health app.
- Frequency weighting filters: ITU-R 468, A, B, C, Z
- Powerful, smart history data management:
+ Recording data can be saved into a list of history records for future access and analysis
+ Each record can be exported as hi-res PNG graph or CSV text via sharing services
+ iCloud support which synchronize all history records across your Apple devices
+ Fullscreen mode to give overview the whole history of an record
- Dosimeter with NIOSH, OSHA standards
- FFT and BAR graphs to display real time FFT. Those are very useful for frequency analysis and musical tests. Real time predominant frequency is also displayed.
- WAVE graph with 2 display modes: Rolling & Buffer
- InstaDecibel to capture your dB report overlaid on photos and easily shared via popular social networks (Facebook, Instagram, Messages, etc.).
- Support both Portrait and Landscape layouts
- Beautiful, intuitive and carefully crafted UI design
- Optimized for iOS 11
OTHER GREAT FEATURES:
- Standard time weightings (Response Time): SLOW (500 milliseconds) and FAST (200 milliseconds)
- Trimming calibration from -15 dB to 15 dB
- Standard measurement range from 30 dBA up to 130 dBA
- HISTO graph for plotted history of the recorded values
- Real time scale level chart
- Display Current, Average/Leq, and Max values with both nice and clear digital and analog layouts
- Quick reference text to help you compare with real-life examples
- "Keep Device Stay Awake" option for long duration recording
- Reset and clear current recording at any time
- Tap on Max value to reset at any time
- Pause/Resume the tool at any time
NOTES:
- Please do not expect a quiet room reading will be 0 dBA. The range 30-130 dBA is the standard usable range and an average quiet room will be about 30 dBA.
- Although all devices are pre-calibrated, custom calibration is suggested for serious purposes requiring higher precision and accuracy. You will need a real external device or calibrated sound meter as a reference, then adjust the trimming calibration until the reading matches with the reference.
* Choose from different subscription options. Our standard subscription options are:
1-month Subscription
1-year Subscription
* Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Subscription with a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service.
* Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period.
* Privacy Policy: http://www.skypaw.com/decibelx/privacy_policy.html
* EULA: http://www.skypaw.com/decibelx/terms.html

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User Rating

4.71 out of 5

6,593 ratings in United States

5 star

5,416

4 star

793

3 star

177

2 star

1 star

157

Ratings History

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Decibel X PRO Reviews

Another update, but landscape view/mode still broken?!?

Love the paid Pro app, but need to use at FOH in landscape mode on an iPad. It worked before, but has been gone for over a year. What’s really frustrating is that the FREE version (Decibel X) DOES work in landscape?? Hoping this can get adjusted. Thanks!

FFT is great but I wish I could view it after saving

For me, the app is all about viewing the FFT. However, as soon as it’s off the screen, it’s impossible to pull back up. It would be really great to have more functionality here, for example, if there was a higher resolution post-processed FFT in the recording.

Great, accurate app

I use this app all the time and have found it accurate and stable. Thanks to the team!

what happened to landscape??

i loved this app until landscape mode stopped happening and i cannot seem to get any customer support.. maybe one star will get some attention..

I want my money back!

The app doesn't support landscape mode nor external microphones. I want my money back!

Decent app

The app is fairly straightforward and accurate, it’d be nice for it to save the settings that way you don’t have to open and select specific settings every time you open the app. I work in a loud environment and would like to use widgets on my iPhone so I can see how loud the workplace is at a quick glance. Also, when I rotate my phone the app doesn’t rotate anymore. Not sure what that’s about but I’d like a fix. Especially, being I paid for the app. Once those are updated I’ll change to a 5 star.

Great utility

Great utility and ok reliability in most features. The visualizer and the large DB overlay has some issues when changing orientation or when changing the location of the large DB overlay.

Quick and easy

This app is very quick and easy to use and enjoy it very much

Decibel X

If you love your ears you need this app.

Very useful. Health conscious. Crashes on cam tab

Seem very useful, everything works great except crashes on camera/overlays. I paid $45 for this and expect nothing but the best. Shi happens. Just heads up to fix it for the next guy who works in a studio and loses his logs from this. :)

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Decibel X PRO: dBA Noise Meter

Frequency Spectrum Analyzer

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Decibel X PRO Installs

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Decibel X PRO Revenue

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Decibel X PRO Reviews

Another update, but landscape view/mode still broken?!?

FFT is great but I wish I could view it after saving

Great, accurate app

what happened to landscape??

I want my money back!

Decent app

Great utility

Quick and easy

Decibel X

Very useful. Health conscious. Crashes on cam tab

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