SPLnFFT is a sound level meter (noise meter) for your iPhone or iPad with many advanced features: frequency analyzer, frequency meter, test signal generator, dosimeter, ...
This soundmeter App is the only one for iOS recommended by the "Laborers' Health and Safety Fund of North
Here are extracts from other reviews:
"our favorite sound measurement app" SafetyAwakenings.com
"SPLnFFT is comprehensive, easy to use" TapeOp.com
You will find more reviews here: https://www.facebook.com/SPLnFFT
For daily use, a very simple interface displays the level of exposure: if orange or red, protect your ears !
Professional users will take advantage of a wide range of accurate and reliable measurements: Leq, peak, L10, L95, taktmaximal, frequency analysis, histogram, dosemetering, ... A&C weightings are compliant with ANSI® S1.42 standard. "468" refers to ITU-R 468-4
>>> Some KEY INFORMATION
|SPLnFFT Noise Meter|
|logSPL owners, upgrade to SPLnFFT|
|SPLnFFT and its extension SPLnWATCH|
|SPLnFFT and other great audio tools|
|SPLnWATCH (SPLnFFT extension)|
|BetonMix (concrete calculator)|
|Diapason Audio Generator|