Noise Meter is a professional-grade sound level meter for your iPhone, iPad or iPod touch. The app provides a simple way to show examples of things that make noise measurement, sound and volume measurement in decibels. It also shows the approximate dB (decibel) level, also known as Sound Pressure Level (SPL).
Have you wondered how quiet is your room or how loud is a rock concert or sport event? Download it now and find answer for yourself!