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Decibels

4.39 • 50 Ratings
Free
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Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you. +++++ Thank you for the nice comments +++++ Features: - Smooth analog display of dB(A) - Take photo with sound level display - Share, print, and store sound level photos Extra Features (with purchase): - Select frequency weightings A, C, and Z - Record decibels on beautiful strip charts - Annotate the strip charts - Share, print, and store the strip charts This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL). Examples: - quiet bedroom at night: 30 dB - average home: 50 dB - vacuum cleaner, 1m away: 70 dB - jet aircraft, 50 m away: 140 dB
What’s New
This update squashes a few bugs and improves the experience in situations where the microphone is blocked by a call or other audio apps.
Version 3.0.4
Version History

App Privacy

The developer, David Bannach, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.

Ratings and Reviews

Ratings and reviews are verified
4.39
out of 5
50 Ratings
  • Keenanknight, 19.10.2021
    Works great
    Simple. The strips are cool.
  • DrDrTed, 29.09.2021
    This is an excellent app, & it works in unpaid mode.
    I am a software NOT a hardware engineer, so I have no idea if it is even possible to use the microphone of an iphone to measure dBs with any useful precision. This application gives results consistent wih well rated iOS and Android apps - I have compared it to about 8 others. Show more
  • Ghenley, 27.08.2021
    They finally got it Calibrated.
    I’ve been using Decibels for years having found the chart recorder extremely useful, however it always read dB a little higher than it really was. The last update corrected that and it now has correct readings. They also added different weighting settings A,C andZ. The basic meter is great and I recommend getting the options as it makes the best meter using chart recorders. Show more
  • PirateJesus, 26.05.2021
    Good enough I guess
    Every place you check, the approximate dB SPL of various sounds is a bit different. For example, other reviewers claim a quiet room is ~40dB, but various websites online say it’s 30 or even 20dB. My room at night measures 36dB. Similarly, conversation at 1m away is around 40-60dB, so I stood 1m away and spoke quietly, quieter than I would in a normal conversation in a quiet room (and I’m not a loud speaker). The app measured ~70dB. I guess I should just automatically reduce any measurement by ~5-10dB. Good enough if absolute accuracy isn’t a must, I guess. 4 stars, since I don’t have a good decibel meter to compare against. Show more
  • er777777777777, 30.09.2020
    Recorder does not work
    While the free app works, do not waste your money. The strip chart recorder does not work
  • gring40, 20.02.2019
    Elegant and Simple
    I’ve used this app for years, and have found it quite useful, without distracting bells and whistles. I’ve also corresponded with the developer, and found that the weighting (which is not evident) is broadband. Some of the features of a lab meter would be nice to have, like switchable A- or C-weighting, or averaging vs instantaneous readings. But the app is quick and easy as it is, and ads do not intrude. Show more
  • dmcc339, 12.10.2018
    Fails at high end
    At a NASCAR race at Dover it registered 90 when the green flag dropped. We were at the end of the straightaway just before turn 1. The cars came roaring; we were less than 25 meters from the track and the decibel level supposedly only increased to 95. If you’ve ever been that close to a start or restart you know the decibel level is well over a hundred. With head phones off and screaming in your neighbor’s face you cannot hear a word they are screaming! Show more
  • HHwife, 15.09.2016
    App blows
    This app doesn't work I got this for my class project and I haven't done anything to my phone I haven't dropped it. This app doesn't work at all
  • johngameropa, 12.08.2016
    I tried multiple...
    I tried multiple (free) versions and I do like this one the best! Simple. Straight to the point.
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Information

  • Category
    Music, Utilities
  • Age Rating
    4+
  • Price
    Free
  • Size
    22.79 MB
  • Provider
    David Bannach
Languages
English, German
Copyright
© 2004-2024 David Bannach. All rights reserved.