Sound Meter

Sound Meter use your mic on your phone to be a SPL(sound pressure level) tester, it shows the db value for current enviroment. And by testing, it's quite accurate. There're several values will show on the screen at the same time, Large size one is the immediate value, which shows the sound level at that moment. and the small ones below it, shows the max, min and avg values in order. And there're titles in front of them.

It's a very pratical app, wish it could help you, thanks!

Features of this Sound Meter:

Level Notification : Notify the sound level description of the eviroment.
Bar-Chart: Using the bar-chart to show the duration changes.
Line up max and min values: Will give you two lines on the chart, make you more easily to get a point with current sound level.

This app is the second position on the mobdt.com tool sets. You want other tools? Come here:

Magnetic Field Detector https://play.google.com/store/apps/details?id=com.tdt.magneticfielddetector