Decibel X: dB, dBA Noise Meter

Decibel X: dB, dBA Noise Meter

  • Category: Utilities
  • Release Date:
  • Current Version: 7.0.0
  • Adult Rating: 4+
  • Developer: SkyPaw Co. Ltd
  • Compatibility: Android
54,017 Ratings
$ 0

Decibel X: dB, dBA Noise Meter App

"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. 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 - 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. Get Decibel X Premium and enjoy: - Permanently remove all advertisements - Unlock ITU-R 468, A, B, C frequency filters - No limits when saving data * 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: * EULA:

Decibel X: dB, dBA Noise Meter app screenshots

Decibel X: dB, dBA Noise Meter app reviews

  • Not free 1/5

    By criric
    Listed as free but it not Instance 1 star rating
  • Disappointed 1/5

    By crankyguy
    App worked sporadically w my latest iOS iPhone 6. Tried pro. Same problem. Not worth the hassle.
  • I love it!!!😀 5/5

    By jodi beltrani
  • Good 5/5

    By dnw8
    Does what I want it to do.
  • Its great for what it does 5/5

    By 8 Pages Media, Roanoke VA
    I like it, and wish i could own it instead of paying monthly or yearly. Otherwise i would keep it. Helped me trouble shoot feedback on a live gig.
  • Tree frogs 5/5

    By treefogs
    Very cool! My backyard peepers hit 92 dB.
  • Can’t disable auto-renew subscription 1/5

    By DikkusMinimus
    There’s no option to terminate the auto-renew in the settings. I did the free trial and I’m not getting the use out of the app I need.
  • Why most upgrades messed up how an app worked before?!? 1/5

    By CrapApplication
    I m using your free version for years. I was happy, i resisted to update, if it works why to risk, but this time i updated and what you did? You screwed up big huge time, i cannot find my saved files, some precious, my grandson first words, grand daughters cries and more. You tell me please how to recover those files.
  • It is a simple, yet useful tool. 4/5

    By Beckyboo-5
    Our use the app to quantify the complaint “it’s too noisy”. It allows me to put a number on how noisy a thing is so that I can compare it to how it sounds after I fix the noise, or to the sound of my normal speaking voice. The graphic display is useful for showing someone how loud it is, or isn’t. The best way to improve this app would be not to have pop up ads, that is an unreasonable expectation on a free app!

    By hvvcgyfigh
    This is NOT the type of app I could use.. Please help! I’ve just been charged just because I opened the app. I opened it just so that I can continue to look and find a way to unsubscribe..and I get charged!!!! I want out of this!!!!
  • Idk what to name it 4/5

    By Look at me im mr.meseks
    This is the 1st dB meter that I’ve downloaded. I am pretty impressed with it it has a camera feature and it seems pretty reliable. One thing that I do not like is for over half of the features you need to buy there “premium”. Which I guess is normal for an app which is free. Overall a pretty good app.
  • Classroom 5/5

    By rbsms ils
    Great tool for middle school classroom management
  • It’s a trap 1/5

    By Wolfsbro
    It’s Impossible to unsubscribe. You will be charged monthly starting three days after you install this app no matter what you do. It’s a trap app.
  • Outstanding App! 5/5

    By Tickntime
    I use this to monitor our church services during praise and worship. It has been very helpful in determining hot spots in our sanctuary as well as tune or room with correct speaker arrangement. This them allowed us to eliminate or greatly reduce the hot spots in our sanctuary. A more consistent sound level prevents the desire to just pump music at a higher level. Higher decibels doesn't improve sound it just makes the problem worse. I would suggest this app for anyone needing a highly accurate decibel meter.
  • Used to be free. 1/5

    By Teek-Geek
    This app previously was free. Now there is a message, try free for 3 days - then pay? Why should I pay now for the same service that used to be free.
  • Frustrating if you change your mind 5/5

    By CFB2000
    Overall I have only one gripe with the app. If you subscribe to the premium $4.99/month service, there is no way for you to unsubscribe. I changed my mind on the monthly fee service but I can’t cancel. Otherwise, the app is awesome.
  • Rip off? 1/5

    By ugarf
    Cannot get to work on my iPhone although I have been charged for the pro version. Hope this is not another scammer.
  • Lo mejor! 5/5

    By fredflo25
    Excelente aplicación!!!
  • It’s a trap 1/5

    By just the way it is
    Buy in app option it’s ok , But I wanted to cancel and there is simply no way to do it . Avoid . It’s a trap !!! App will slave you to pay forever
  • costs 1/5

    By Jcs2016-17
    not apparant at first. this costs money
  • Hidden subscription 1/5

    By BMcDetroit
    Not functional unless you immediately agree to a subscription.
  • Subscription only 1/5

    By GratefulDean1
    It looks like this app is subscription only. I’m sick of subscriptions.
  • Not free? 2/5

    By Kath Mc
    I downloaded this app and when I open it,it wanted me to sign up for a paid membership. I couldn’t find a way to just use the meter without signing up.
  • Food poisoning of Cookies! 1/5

    By Shena4949
    IMO, this app will violate your privacy! No, I’m not giving you permission to record my conversations! I’m not giving you permission to share my anything! I could not even tell the app worked! The app also took me to screens that I could not find my way bk to the “Home Screen”! Don’t take me to a screen where I cannot get bk to the “Home page” of the app without me having to “x-out” of the entire app!!!! Why do you, software developer, take me to a page I can’t exit out of unless I “X-Out” of the entire app??? How dumb?!?!? And no, you’re not selling my personal data!!!

    By @iamDrops
    GET “NIOSH SLM” INSTEAD The CDC’s NIOSH (National Institute for Occupational Safety and Health) has a full featured SPL/Sound Level Meter that is ACTUALLY FREE. It’s from the NIOSH so you can trust it’s accuracy/reliability across various iOS devices. It uses LAeq which is the most accurate measurement IME, it also has measurements that alert you of potential hearing loss risks. Don’t exceed 85dBA for 8hrs and you’re good. If you’re monitoring (mixing or mastering) you want to aim for 80dBA to hit the ear’s sweet spot.
  • Great iPhone tool 5/5

    I’m an audio specialist in a large church setting.Having several services each Sunday watching the levels is important. We run about 90-95dB in worship and 65-75dB pastors message so recording the averages each week is a great tool. I’ve used the expensive dB meters in the past but this iPhone app is all I use now. Very pleased!
  • Doesn’t auto-save pictures 2/5

    By SittenSpynne
    You have to go out of your way to save images to your camera roll, it should do this automatically.
  • Works well but... 1/5

    By 143216357df
    This app seems to work well for measuring decibel levels however you do need to sign up for a subscription that is free for the first three days. That’s all fine and dandy as they assure you you can cancel within three days from inside the app under settings. my problem is there doesn’t appear to be an option for this within settings. Also the email support link from in the app does not respond. I’m using an iPhone XS.
  • Not reliable 1/5

    By nntapeter
    To much erratic result. Couldn’t find the unsubscribe button.
  • Love it 5/5

    By JfromMissouri
    Easy to use and very easy to interpret. I use it in meetings to see when the music is too loud for safety. Thanks for such a good app.
  • Charging for an App that doesn’t even work 1/5

    By BrewRef
    Worked fine before it became a pay-for-subscription app, now it won’t even launch. Find a meter that works, like NIOSH SLM, and avoid this one. Now I have to hope that erasing the app really cancelled the subscription
  • Limit your own life with app 2/5

    By gamermirrors
    I know there’s more to it
  • Read some of the reviews. 1/5

    By Mykrossini
    The free version of this app gives you consistently incorrect readings.
  • Ads interfere 2/5

    By jet hater
    They said it was free then bombard with ads and requests to update, which interrupt the sound detection process. Won’t use it.
  • DBx 5/5

    By pdx_Nick
    Great App but the analyzer is lacking a conversion to provide NC level. This would be helpful for many users.
  • Cheap and cheats 1/5

    By jack the rippoff
    This is a con program. It doesn’t make it clear that there are charges to keep. Also not reliable results
  • Good for measuring loudness but limited utility 3/5

    By kenofportland
    App doesn’t display full audible bandwidth. In fact most of the bass range and the entire top octave is not visible, and there’s no discernible way to scroll to it. The displayed range should either be adjustable in settings, or zoomable/scrollable.
  • Pretty Nice 5/5

    By nicholaspayton
    Great visualizations, and having the peak frequency animated is really helpful.
  • Poor customer services 1/5

    By saml343
    Won’t let you get a refund. Had trial less than 3 days and was charged.
  • Do not click 3 day trial 1/5

    By Rhettle
    Don’t be scammed, as you can see in the 1 star reviews the developer makes it almost impossible to cancel after the 3 day free trial. Do not click on the 3 day free trial. Instead there is a close button hidden in the top right of the screen that allows you to move on without starting the trial.
  • Once quiet now noisy neighborhood 5/5

    By W/O Limits
    I can measure the decibels of music coming from my many neighbor’s outdoor speakers before I call to complain. To know that this app reads as well as the authorities app helps me sleep when my windows are vibrating any time of day/night.
  • Works great!! 5/5

    By Ringos shadow
  • Was free, now it’s not... 2/5

    By orgrawvgan
    I’ve had this app installed (free) for years on my iPhones and now that I’ve upgraded to a new iPhone and opened the app I’m being asked to pay/subscribe or use free for 3 days and then $2.99/mo. No thanks. It did what it was suppose to but I’ll find another [free] decibel app to rarely use. Besides, the UI is too busy, distracting.
  • Too many ads 1/5

    By Tasai
    There are too many ad banners and interruptions while using this app. To remove them it costs $3/month. Let me buy the app once, I’m not going to pay a subscription for a decibel meter.
  • Waste of time. 1/5

    By FLawyer50
    Continually crashes within 30 seconds of starting on my iPhone. Might be a good app if it would run w/o crashing
  • Only goes to 100 3/5

    By cd1956-123456789
  • Da coolest one 5/5

    By LouieLouEye
    I am a maintenance mechanic for a prominent fulfillment warehouse and this app has helped me tremendously with everything from; noise levels to protect employees hearing to helping with photo eyes, wiring and proximity sensor troubleshooting. This powerful little app is a life saver everyday!
  • Horrible App 1/5

    By Ph1015901
    Do t waste your time on this
  • Inaccurate and extremely invasive ads 2/5

    By wizzardfan
    This app always read very high. In a very quiet room still read at 55-60 db The ads are so invasive that it makes the app unusable. I get you want me to upgrade to the no ad version but slamming me with an ad with every screen tap is terrible.

Decibel X: dB, dBA Noise Meter app comments

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