Noise Meter: Decibel dB Meter

Premium dB meter with Leq, peak, spectrum, history and CSV export.

PREMIUM ACCESS REQUIRED
Sound measurement starts only after Premium access. The active offer is a one-time lifetime purchase with no subscription or automatic renewal. The purchase screen shows the live localized price and terms before confirmation. Restore Purchases, Terms of Use and Privacy Policy are available in the app.

MEASURE AT A GLANCE
- Real-time decibel (dB) reading
- Analog gauge and clear digital display
- MIN / AVG (Leq) / MAX / PEAK levels
- Live 60-second noise chart
- Pause, reset and save sessions
- Noise-level reference guide

ADJUST THE METER
- A, C and Z frequency weighting
- Fast (125 ms) and Slow (1 s) response
- Per-device calibration offset

SAVE AND SHARE
- Measurement history with labels
- Session details and timeline
- Text sharing
- CSV export with Premium

PREMIUM FEATURES
- 1/3-octave spectrum analyzer with peak hold
- L10 / L50 / L90 statistics
- NIOSH and OSHA dose estimates with 8-hour TWA
- Unlimited measurement history
- CSV export

USE IT TO CHECK
- Noise at home or from nearby rooms
- Office, cafe and street sound levels
- TV, music and speaker volume
- General workplace noise awareness

PRIVATE BY DESIGN
Audio is analyzed on your device and is not stored or uploaded.

REFERENCE ONLY
Phone microphones and readings vary by device and environment. Noise Meter does not replace a calibrated professional sound level meter and should not be used as legal evidence or as the sole basis for health and workplace-safety decisions.