Decibel for iPhone App Review

Sure games are great, but it's the other apps for the iPhone that show the range of the device. Decibel makes clever use of the iPhone microphone to transform it into a portable sound meter, with a cool retro look to boot. The major limitation isn't in the software, but rather the peak level (about 100dB) of the microphone. That cap limits the usefulness of Decibel, but for casually monitoring sounds in everyday situations, it works great: