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.