Decibel X:dB Sound Level Meter Logo

Decibel X:dB Sound Level Meter review

4.6 / 5


SkyPaw Co. Ltd

Latest Version:


Publish Date:

January 7, 2021


42.30MB is not an official representative or the developer of this application. Copyrighted materials belong to their respective owners

Decibel X:dB Sound Level Meter Review

Decibel X:dB Sound Level Meter is an app created by SkyPaw Co. Ltd. Decibel X:dB Sound Level Meter was first published on January 7, 2021. Decibel X:dB Sound Level Meter is currently available for iOS, Other.


If you are an iOS fan, for smooth performance and experience you’ll need Requires iOS 9.0 or later. Compatible with iPhone5s-iPhone5s, iPadAir-iPadAir, iPadAirCellular-iPadAirCellular, iPadMiniRetina-iPadMiniRetina, iPadMiniRetinaCellular-iPadMiniRetinaCellular, iPhone6-iPhone6, iPhone6Plus-iPhone6Plus, iPadAir2-iPadAir2, iPadAir2Cellular-iPadAir2Cellular, iPadMini3-iPadMini3, iPadMini3Cellular-iPadMini3Cellular, iPodTouchSixthGen-iPodTouchSixthGen, iPhone6s-iPhone6s, iPhone6sPlus-iPhone6sPlus, iPadMini4-iPadMini4, iPadMini4Cellular-iPadMini4Cellular, iPadPro-iPadPro, iPadProCellular-iPadProCellular, iPadPro97-iPadPro97, iPadPro97Cellular-iPadPro97Cellular, iPhoneSE-iPhoneSE, iPhone7-iPhone7, iPhone7Plus-iPhone7Plus, iPad611-iPad611, iPad612-iPad612, iPad71-iPad71, iPad72-iPad72, iPad73-iPad73, iPad74-iPad74, iPhone8-iPhone8, iPhone8Plus-iPhone8Plus, iPhoneX-iPhoneX, iPad75-iPad75, iPad76-iPad76, iPhoneXS-iPhoneXS, iPhoneXSMax-iPhoneXSMax, iPhoneXR-iPhoneXR, iPad812-iPad812, iPad834-iPad834, iPad856-iPad856, iPad878-iPad878, Watch4-Watch4, iPadMini5-iPadMini5, iPadMini5Cellular-iPadMini5Cellular, iPadAir3-iPadAir3, iPadAir3Cellular-iPadAir3Cellular, iPodTouchSeventhGen-iPodTouchSeventhGen, iPhone11-iPhone11, iPhone11Pro-iPhone11Pro, iPadSeventhGen-iPadSeventhGen, iPadSeventhGenCellular-iPadSeventhGenCellular, iPhone11ProMax-iPhone11ProMax, iPhoneSESecondGen-iPhoneSESecondGen, iPadProSecondGen-iPadProSecondGen, iPadProSecondGenCellular-iPadProSecondGenCellular, iPadProFourthGen-iPadProFourthGen, iPadProFourthGenCellular-iPadProFourthGenCellular, iPhone12Mini-iPhone12Mini, iPhone12-iPhone12, iPhone12Pro-iPhone12Pro, iPhone12ProMax-iPhone12ProMax, iPadAir4-iPadAir4, iPadAir4Cellular-iPadAir4Cellular, iPadEighthGen-iPadEighthGen, iPadEighthGenCellular-iPadEighthGenCellular.. Decibel X:dB Sound Level Meter requires 42.30MB of empty space on your smartphone.

App’s success is proven by 73325 downloads.

"Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool will not only be a great tool for many uses but also bring you a lot of fun. Have you wondered how quiet is your room or how loud is a rock concert or sport event? "Decibel X" will help you answer all of those.


- 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


- 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


- 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:


Decibel X:dB Sound Level Meter

4.6 / 5

Decibel X:dB Sound Level Meter Logo
Author: SkyPaw Co. Ltd
Latest Version: 9.2.1
Publish Date: January 7, 2021
Size: 42.30MB

To download the app, you will get links to the Official Website and/or official digital markets.