This is powerful and smart sound level meter app.
Sound level meter app to measure noise volume in decibels.
This App have useful features and high quality graphics.
Its best sound level meter app for ios device.

App features:

- Fast dB response
- Gauge for indicate values
- Show the current noise environment
- Min/Avg/Max values display
- Show the sound level graph
- Can calibrate the decibel for each device

Enjoy!