Noise Meter - Sound & Decibel

Noise Meter turns your iPhone into a simple, real-time sound level meter. Using your device's microphone, it measures ambient noise in decibels (dB) and shows the reading on an easy-to-read gauge. Features - Real-time decibel (dB) measurement - Live gauge and time-based graph - Minimum, average, and maximum tracking - Calibration to fine-tune readings - Clean, simple interface Whether you're checking the noise in your office, home, street, or a venue, Noise Meter gives you a quick read on how loud your surroundings are. Note: Noise Meter is for reference and general use only. Readings depend on your device's microphone and are not a substitute for professional, certified measurement equipment.