Doesn't Work ... – dB Sound Level Meter - Noise Volume Measure (Decibels) Free Review

Downloaded app to get a reading of noise outside my home at midnight to lodge a complaint and the only thing that worked were all the over-screen ads to buy this or that in the app store. Seriously? that's why you developed an app?? geesh...
Review by disappointed in the build on dB Sound Level Meter - Noise Volume Measure (Decibels) Free.