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  • Decibel X PRO - dB Sound Meter screenshot 1
  • Decibel X PRO - dB Sound Meter screenshot 2
  • Decibel X PRO - dB Sound Meter screenshot 3
  • Decibel X PRO - dB Sound Meter screenshot 4

About Decibel X PRO - dB Sound Meter

Decibel X PRO turns your device into a professional sound level meter, accurately measuring noise levels in your environment with lab-grade precision. KEY FEATURES: • Professional Accuracy - Calibrated measurements with frequency weightings (A, C, Z) and time weightings (Fast, Slow, Impulse) • Real-Time Analysis - Live sound level monitoring with analog and digital displays • Spectrum Analyzer - Visualize frequency distribution and identify dominant frequencies • InstaDecibel - Overlay sound measurements on photos to document noise levels • Data Recording - Save and export measurement sessions with location data • History & Statistics - Review past measurements with detailed analytics • Reference Guide - Built-in noise level references for common environments PERFECT FOR: - Audio professionals and engineers - Workplace safety inspections - Home theater calibration - Environmental noise monitoring - Hearing protection awareness - Educational purposes TECHNICAL SPECIFICATIONS: - Measurement range: 30-130 dB - Frequency weightings: A, C, Z, ITU-R 468 - Time weightings: Fast (125ms), Slow (1s), Impulse (35ms) - Calibration support for maximum accuracy Note: Accuracy depends on your device's microphone. For professional use, external calibrated microphone recommended. Transform your device into a powerful acoustic measurement tool. Download Decibel X PRO today and take control of your sound environment!

What’s new

Version 1.1.1 · Updated February 1, 2026

Bug fix

App privacy

The developer, Grzegorz Rakoca, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

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