Decibel Meter – Sound Level

Turn your phone into a sound level meter. Decibel Meter measures the noise around you in real time and shows it in decibels (dB) — at home, at work, at concerts, in the car, or anywhere you want to know how loud it really is. MEASURE SOUND LIKE A PRO • Real-time decibel (dB) measurement using your microphone • A-, C- and Z-frequency weighting (dBA / dBC / dBZ) • Fast and Slow time weighting, just like a professional sound level meter • Leq (equivalent continuous level) and LCpeak pro metrics SEE EVERY DETAIL • Three beautiful gauges: LED, Modern and Classic • Live chart with minimum, average and maximum levels • Real-time spectrum analyzer with color-coded frequency bars • Live dominant-frequency readout SAVE & REVIEW • Save any measurement and review it anytime • Optional location tag with a map for each reading • Clean, easy-to-read history ACCURATE & PERSONAL • Calibrate against a known reference for better accuracy • Light and dark mode • Available in 27 languages GREAT FOR • Checking noise at home, in the office or in your neighborhood • Measuring music, concerts, gyms and events • Comparing rooms, appliances, traffic and machinery • Learning about sound, acoustics and hearing safety WHY DECIBEL METER • Fast, accurate and easy to use • A clean, modern design that anyone can read at a glance • No ads getting in the way of your measurement • Works completely on your device — audio is never recorded or uploaded Note: Decibel Meter is a measurement aid. Readings are approximate and depend on your device's microphone, so calibrate for the best results. It is not a certified instrument and is not intended for legal, medical or occupational use. Download Decibel Meter and discover how loud your world really is.