Sound meter - dB meter

Free sound level meter is an application that turns your smartphone into a professional environmental noise meter. Measure any noise or sound and shows the value in decibels in a simple way. Can also be used as an applausometer! Interface: The interface is very simple and intuitive. Possibility to see always minimum, average and maximum value in decibels and a graph with the acquired data. Calibration: You can easily calibrate your digital instrument, with just a few steps, so as to always have a precise and professional sound level meter. Information: 0 dB: Many people just hear a silent noise 30/40 dB: Ideal calm, quiet library 50 dB: Normal conversations at home 60 dB: Conversations in the restaurant, in the office, background music 70 dB: Vacuum cleaner 80 dB: Blender 90 dB: Drill 100 dB: Motorcycle 120 dB: Thunder 140 dB: Gunshot / siren Note: Microphones in most Android devices (samsung, huawei, oneplus, xiaomi, etc..) are aligned to the human voice. The maximum values ​​are limited by the device. Very loud sounds (over ~ 90 dB), cannot be recognized on most devices. Use it only as an auxiliary tool. If you need more accurate dB values, we recommend an actual sound level meter