SPLnFFT Noise Meter!

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 America.Here are extracts from other reviews:our favorite sound measurement app SafetyAwakenings.comSPLnFFT is comprehensive, easy to use TapeOp.comYou will find more reviews here: https://www.facebook.com/SPLnFFTFor 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 <<< :- you absolutely need to allow access to microphone to use this App- screen rotation must be un-locked- there are built-in help messages (speech bubble). You can even contact us directly by email or through the dedicated FaceBook page (note send email top right)