Sound Meter

5.25MB v1.7.22 Update Date：2025-12-13 Developer：Smart Tools co.

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Sound Meter Application Screenshots

Sound Meter AI Editor's Review

Sound Meter accurately measures sound pressure levels (SPL) using your Android device's microphone. Part of the Smart Tools collection, it offers a simple interface for quick and reliable decibel readings, useful for various environmental noise assessments.

Comprehensive Analysis

Sound Meter, a component of the Smart Tools collection, leverages your device's microphone to measure sound pressure levels (SPL) in decibels. The app provides a straightforward interface, displaying real-time decibel readings. While the accuracy is contingent on the device's microphone calibration and capabilities, Sound Meter offers a convenient tool for quick environmental noise assessment. Its ease of use makes it suitable for casual users needing approximate sound level measurements. Remember to calibrate for best performance.

Key Advantages

Accurate sound pressure level (SPL) measurement
Simple and user-friendly interface
Part of a comprehensive suite of Smart Tools

Areas for Improvement

Accuracy dependent on device microphone calibration
May require additional permissions for optimal functionality

The description of Sound Meter

Site Editorial Commentary：Measure environmental noise with your device.

Sound Meter is the 4th tool in the Smart Tools collection, designed to measure sound pressure levels (SPL) using your device's microphone.

Are you bothered by excessive noise? This app helps you quantify it! The Sound Meter app utilizes your phone's built-in microphone to measure noise volume in decibels (dB) and provides a helpful reference.

IMPORTANT note: Most smartphone microphones are designed for human voice frequencies (300-3400Hz, 40-60dB). Since voice calls don't require high-performance microphones, the maximum measurable value is LIMITED by the manufacturer. Extremely loud sounds (100+ dB) might not be accurately detected. For example, Moto G4 (max. 94dB), Galaxy S6 (85dB), Nexus 5 (82dB).

This app is perfect for quickly checking if your voice is too loud in a lecture or determining if the TV volume is at a comfortable level. The included calibration data (see 6th image) shows major Android devices calibrated with a professional sound meter (dBA). You can rely on the results for typical noise levels (40-70dB). Use it as a handy auxiliary tool for sound monitoring.

Key Features:
- Upside-down mode for easy viewing
- Level notification to alert you to certain sound thresholds
- Customizable line-chart duration for sound level history
- Modern Material Design interface

Pro Version Features:
- Ad-free experience
- Integrated vibrometer to measure vibrations
- Statistics menu for detailed sound analysis
- CSV file exporting for data analysis

Want more useful tools? Download the [Smart Meter Pro] and [Smart Tools] package for a complete set of utilities.

For more information and demonstrations, check out our YouTube channel and visit our blog. Thank you!