iNoise Meter
iNoise Meter is an excellent app that transforms your iPhone and 2nd Generation iPod Touch into a portable sound level meter.
It not only provides a well-designed interface and also provides useful information to the users.
Unlike other scientific instruments, the learning curve of iNoise Meter is relatively short.
The main feature of the app is able to record down the minimum, the maximum and the peak level of the surroundings in decibel.
With the built-in microphone, iNoise Meter can measure to the peak sound levels of approximately 105dB.
