Sound meter is an indispensable tool for your daily life, no matter what you do, where you stay, it is a practical noise detector to help you avoid noise pollution that harms your hearing and affect your rest. Our sound meter app can provide accurate decibel data and show you how the decibel goes. Get noise data more comprehensively and more accurately: Minimal, average and maximal decibel Real-time decibel in dial and graph Levels of noise Calibrate before use for precise data Review measurement histories Customize your sound meter Save audio file while measuring Set decibel warning when the value is higher than the preset one Open the sound or vibrate for the warning Apply the black or white theme Other features of sound meter: Re-start measuring Suspend recording Rename, share and replay the recording Indicate the measuring duration, time and status Notice: 1.To get an accurate decibel of sound with this decibel meter (noise meter), please calibrate before use (because the performance of the microphone will be different for each device).  2.Adjust the decibel according to your experience or calibrate with a real sound meter device for comparison. (Because we couldn't estimate the different decibel between devices, we do not provide a specific solution.) 3.To avoid unnecessary loss, please SAVE your recording before exiting the sound meter app 4.If the recordings are not saved, you cannot replay the measurement. If you have any questions, please contact us by email.