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This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package. - Developed by experienced acoustics engineers and hearing loss experts. - Completely FREE – No ads, no limited features, and no in-app purchases. - Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at NIOSH acoustics lab – the only proper method to validate accuracy. - Trusted source and world-class expertise in noise and hearing research. - Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ external microphone.* - Provides the most relevant metrics found in professional sound instruments today. Averages such as LAeq and TWA, Max and Peak Levels, Noise Dose and Projected Dose according to NIOSH and OSHA standards, and all three major weighting networks (A, C, and Z). - Capability to calibrate either internal or external microphone. Reporting and Sharing data. - Up-to-date informational screens on what noises are considered hazardous, how to conduct a noise measurement, how to properly select a hearing protector, and guidelines for preventing hearing loss, all at the palm of your hand. - Excellent and timely support from NIOSH hearing experts. - Support for Apple's Health (Hearing) app. * Celestina M, Hrovat J, Kardous CA [2018]. Smartphone-based sound level measurement apps: Evaluation of compliance with international sound level meter standards. Applied Acoustics, 139:119-128. https://doi.org/10.1016/j.apacoust.2018.04.011 More resources (including instructional videos and a user manual), a science blog, FAQ, and information about how to interpret results can be found on the niosh slm website https://www.cdc.gov/niosh/topics/noise/app.html
One of the very best SPL meters
by themacgrinch on 2020/01/18 06:02
From a reliable and professional source, totally free and ad free. Couldn’t really be much better.
Useless.
by g0mrb on 2019/11/12 14:15
This app is of no use at all if you use an iPad with a Landscape-only stand. There is no setting to rotate the screen away from Portrait orientation. There is also a disclaimer on the opening page which says that this app is, as are other apps, not able to match any recognised standard as a noise measuring instrument. Fo that, you will need a dedicated and calibrated hardware noise meter. Deleted.
KEEPS ACTING WIERD
by 999999999999900 on 2019/10/31 14:00
GET CORRECT READINGS THE SUDDLY GOES UP 39DB , A COUGH 112DB WHEN WAS 70 ,CANT CALABRATE AS CANT SEE THE OPTION AS MENU IS CRUSHED TOGETHER , COULD BE GOOD
Fantastic Decibel meter and it’s free! No adverts!
by The Faithful Penguin on 2019/09/25 19:50
Fantastic award winning app that is completely free with no adverts at all! I really hope it stays that way... I doubt it... but I will enjoy using it whilst it’s free and advert free. What I love is the information about sound that is available within the app. Can’t fault this app at all. HUGE thank you to the developers at EA LAB.
Great app- easy to use and free!
by jp ten to never on 2019/06/09 11:22
Great saving feature and fast response. Excellent!
Sound monitor
by Mearm1 on 2018/05/20 07:45
Excellent app, easy to read, like the fact that you can save results onto a PDF document.
Simple to use
by Roundhegian on 2017/11/06 10:53
Very good
Great
by Jekfvrisbgjevfu on 2017/09/02 01:20
Seems like the most accurate I've tried on my iPhone 5!
Fantastic Decibel meter and it’s free! No adverts!
by The Faithful Penguin on 2019/09/25 19:50
Fantastic award winning app that is completely free with no adverts at all! I really hope it stays that way... I doubt it... but I will enjoy using it whilst it’s free and advert free. What I love is the information about sound that is available within the app. Can’t fault this app at all. HUGE thank you to the developers at EA LAB.
Useless.
by g0mrb on 2019/11/12 14:15
This app is of no use at all if you use an iPad with a Landscape-only stand. There is no setting to rotate the screen away from Portrait orientation. There is also a disclaimer on the opening page which says that this app is, as are other apps, not able to match any recognised standard as a noise measuring instrument. Fo that, you will need a dedicated and calibrated hardware noise meter. Deleted.
Sound monitor
by Mearm1 on 2018/05/20 07:45
Excellent app, easy to read, like the fact that you can save results onto a PDF document.
Great
by Jekfvrisbgjevfu on 2017/09/02 01:20
Seems like the most accurate I've tried on my iPhone 5!
One of the very best SPL meters
by themacgrinch on 2020/01/18 06:02
From a reliable and professional source, totally free and ad free. Couldn’t really be much better.
Great app- easy to use and free!
by jp ten to never on 2019/06/09 11:22
Great saving feature and fast response. Excellent!
Simple to use
by Roundhegian on 2017/11/06 10:53
Very good
KEEPS ACTING WIERD
by 999999999999900 on 2019/10/31 14:00
GET CORRECT READINGS THE SUDDLY GOES UP 39DB , A COUGH 112DB WHEN WAS 70 ,CANT CALABRATE AS CANT SEE THE OPTION AS MENU IS CRUSHED TOGETHER , COULD BE GOOD
Rating Trends
0,3,0,1,0,5,1,1,0,0,3,0,0,1,0,0,0,0,1,1,3,0,0,0,0,0,0,1,0,0,1,2,1,1,1,0,1,2,2,1,2,0,0,3,0,0,0,2,3,0,0,0,0,2,1,1,1,2,0,1,0,0,0,0,1,0,1,0,0,2,0,0,0,1,2,0,0,0,0,0,5,2,1,2,1,0,0,0,0,1
All Versions
4.0
396 total
 5
284
 4
71
 3
26
 2
5
 1
10
Current Version (1.2.1)
4.0
396 total
 5
284
 4
71
 3
26
 2
5
 1
10
Version History
More...