Sound Meter Pro

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    Sound Meter Pro's review

    Published: 2012-05-31, by Peter Warrior.

    Measure environmental noise.

    • Light weighted
    • Free, no ads
    • Halfway a curiosity and a tool.

    "Shut up"

    Sound Meter is just one of those apps you would have never imagined we ever have. Not so many years ago, sound meters belong to cops knocking on your door at your college parties and brainy technicians and physicists talking about sound waves. At some point within, there were those clap'o'meters used in fancy TV shows and roadhouse amateur contests. Who was able to tell that your phone would be able to measure decibels?

    Honestly, it isn't a panacea, so if you actually work on something important, this app won't be precise enough and it can be easily deceived. Anyway, even when it gets lost when there's too much noise and it seems to haphazardly give results when in silence, it's a great idea and worthy of being installed. As it's lightweighted there's no harm in having it, because one never knows when it may be useful.

    This a Pro version comes with added features (stats...) and no ads.

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    Peter Appszoom logo

    by Peter , Appszoom

    May 31, 2012


    Sound Meter Pro is the 4th set of Smart Tools collection.

    SPL(sound pressure level) meter app uses your microphone to measure noise volume in decibels(db), and shows a reference. We calibrated a lot of android devices using an actual sound meter with dB(A).

    REMEMBER!! Most smart phone microphones were aligned to human voice (300-3400Hz, 40-60dB).
    Therefore maximum value is LIMITED by manufacturers, and very loud sound(100+ dB) cannot be recognized. Moto G3 (max.80), Galaxy S6 (85dB), Nexus 5 (82dB), HTC Desire(82dB)...
    You can trust the result in routine-noise levels (40-70dB). Please use it as an auxiliary tool.

    Vibrometer uses the phone sensors to measure vibration or an earthquake, and it shows a reference as a seism detector.

    The measured values are related to Modified Mercalli Intensity scale (MMI). If it is inaccurate, you can calibrate it so that maximum value is about 10-11.
    Please use the results only for reference because android devices have a wide variety of performance and sensitivity.

    * Pro version added Features:
    - No ads
    - Sound Meter and Vibrometer are integrated
    - Statistic menu (line chart)
    - CSV file exporting
    - Line-chart duration
    - More models are calibrated

    * Do you want more tools? Get [Smart Tools] package.

    For more information, watch YouTube and visit the blog. Thank you.

    ** No internet support : You can open this app without any connection. After installation, open the app 2-3 times with your device connect to WI-FI or 3G/4G.

    Users review

    from 3.392 reviews



    Users comments for Sound Meter Pro

    Matthew Lucero

    by Matthew Lucero

    Dec 27, 2017  |  "Awesome"

    Best app that I have used for sound and vibration

    Alan Haggard

    by Alan Haggard

    Dec 08, 2017  |  "Awesome"

    Does just what I need!

    Arthur Longhurst

    by Arthur Longhurst

    Oct 15, 2017  |  "Awesome"

    It's easy to use and looks attractive. It's no substitute for an actual meter (mobile phone microphones aren't much use above 90dB as they were never designed for such high SPLs). But did casual use it's fine.

    John Peddle

    by John Peddle

    Oct 06, 2017  |  "Awesome"

    Works perfectly, I have used it while doing sound for live acts.

    HairMetal Chris

    by HairMetal Chris

    Sep 05, 2017  |  "Awesome"

    Love it been using it for years now at home and being a professional musician at live shows very accurate and dependable

    james tegner

    by james tegner

    Aug 31, 2017  |  "Good"

    No access to Google license Servers, then can't use. Uninstalling.