Noise Meter - Decibel Pro

Turn your iPhone into a professional Sound Meter, Noise Meter and Decibel Meter for accurate real-time audio measurement.

This app helps you measure environmental noise levels, monitor sound pressure levels (SPL), and analyse sound data with precision.

Whether you are checking workplace noise, improving room acoustics, monitoring environmental noise pollution, or tuning audio systems, this tool provides fast and reliable results.

Key Features: • Real-time sound level measurement (dB) • Supports A, C and Z frequency weighting (dBA, dBC, dBZ) • Fast, Slow and Impulse response modes • Real-time average (Leq) and peak detection • Built-in calibration tools for accuracy

Advanced Analysis: • Real-time frequency spectrum (FFT) • Octave band and spectrogram view • Accurate frequency detection • Audio analysis for acoustic tuning

Recording & Export: • Save measurements with timestamps • Export PDF reports • Share results instantly

Noise Monitoring: • Dosimeter based on NIOSH and OSHA standards • Long-term exposure tracking

Privacy: All processing is done on-device. No data is uploaded or shared.

Perfect for: Noise measurement, environmental monitoring, home theater tuning, acoustic setup, industrial safety and audio testing.

IMPORTANT NOTICE: This app is for reference purposes only and does not replace professional acoustic measurement equipment. Accuracy may vary depending on device hardware and microphone quality.

SUBSCRIPTION TERMS: Premium features include advanced spectrum analysis, unlimited exports, and professional reporting tools.

Payment will be charged to your Apple ID account upon confirmation. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID settings at any time. No refunds for unused subscription periods.

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