Sound Meter app icon for iOS and Android

Sound Meter

Measure noise levels accurately with real-time decibel readings.

Utilities

📖About This App

Turn your phone into a professional sound level meter. Measure ambient noise in decibels with real-time updates and visual graphs. Track maximum, minimum, and average levels. Perfect for checking noise pollution, testing speakers, or monitoring sound environments.

✨Why Choose Sound Meter?

Accurate Measurements

Calibrated decibel readings using your phone's microphone.

Real-Time Graphs

Watch sound levels change with live updating charts.

Statistics Tracking

View max, min, and average decibel levels over time.

Session Recording

Record measurement sessions and review history later.

Visual Feedback

Color-coded gauge shows safe, moderate, and loud levels.

Save & Export

Save readings and export data for documentation.

đŸ› ī¸Key Features

Decibel Meter

Real-time dB readings with professional-style gauge display. Understand noise levels at a glance.

Sound Graph

Logarithmic graph shows sound level changes over time. Identify patterns and spikes.

Level Statistics

Track maximum, minimum, and average levels during any measurement session.

Reference Guide

Built-in guide comparing common sounds (whisper, conversation, traffic, concert) to dB levels.

Calibration

Adjust sensitivity for your specific device for more accurate readings.

❓Frequently Asked Questions

How accurate is the sound meter?

The app provides reliable relative measurements. For professional-grade accuracy, dedicated hardware is recommended.

What is a safe noise level?

Generally, sustained exposure above 85 dB can cause hearing damage. The app color-codes levels to indicate safe, moderate, and loud ranges.

Can I record measurements?

Yes. Start a recording session to track sound levels over time. Review and export your data later.

Does it work in the background?

The app measures sound while in the foreground. For continuous monitoring, keep the app open.

Can I calibrate the app?

Yes. Use the calibration feature to adjust readings for your specific device.

What's the measurement range?

The app measures from approximately 30 dB (quiet room) to 120+ dB (very loud sounds).

Is my audio recorded?

No. The app only measures sound levels. No audio is recorded or stored.

Does it work offline?

Yes. No internet connection required for measurements.

🔒Privacy & Security

✓Microphone used for measurement only
✓No audio recording or storage
✓Data stays on your device
✓Works completely offline

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