Best Free Decibel Meter Apps

4.7😊(17K ratings)

Free

This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.

What We Love

🚀 Free and ad-free
👍 Simple and intuitive interface
⚖️ Accurate and reliable measurements
💡 Useful for monitoring noise levels in various environments
🔍 Provides detailed noise data and exposure information

Room to Improve

🐛 Occasional bugs and crashes
🔌 Issues with external microphone support
🔋 Can drain battery when running for extended periods
📱 Limited iPad optimization

Sound Meter (Decibel) by UniCom Technology

Measure the noise level

Worth Considering

Decibel X:dB Sound Level Meter

4.5😐(3.1K ratings)

FreeAds

This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.

What We Love

🚀 Works perfectly
👍 Easy to use and free
👍 Good simple UI
👍 Good basic sound level meter
👍 Very easy and simplified display
👍 Super convenient, very useful
👍 Accurate sound measurement

Room to Improve

🐛 Spelling mistake ('quiet' spelled as 'quite')
🐛 Inaccurate readings compared to other apps
🐛 Requires a subscription for basic recording
🐛 Imprecise metering, not a reliable tool
🐛 Doesn't work in split screen
🐛 Poorly documented statistics

More Free Decibel Meter Apps apps to explore

Frequency Spectrum Analyzer

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

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dB Meter Sound Level Meter

Simple noise decibel meter

Real-time decibel measurementMin, average, and max value calculationStop and reset function

Measure ambient noise levels in decibels (dB) with this straightforward tool. It displays real-time sound volume in a large, easy-to-read format and allows you to track minimum, average, and maximum values. Customize the background and text colors for a personalized experience.

Tool for measuring sound level

Measures sound levelActs as a decibel meterUses iPhone as a meter

This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.

(2.9K)

free

dB Meter: Sound Level

Decibel & noise meter

Decibel : dB sound level meter

Audio noise Spectrum Analyzer

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Decibel Meter：Noise Detector

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freemium

dB Sound Level Meter, Spectrum

Real-time dB meter with max, min, averageVoice-activated noise recordingVideo recording with decibel watermark

This app provides real-time decibel readings, sound level monitoring, and voice-activated noise recording. It allows users to document noise levels with video evidence, including decibel watermarks and timestamps, all processed on-device for privacy.

(2)

DecibelX Lite – Sound Meter

by Andreas Conradi Nitschke

Decibel Metre (Sound Meter)

Measure the environment noise

Measures sound level in decibels (dBA)Uses built-in microphoneDisplays readings on digital screen

This application functions as a smart sound level meter, utilizing your device's microphone to measure ambient noise in decibels (dBA). It provides real-time readings on a digital screen and displays historical data through a graph. The app also shows reference noise levels and tracks minimum, average, and maximum decibel values.

Noise Meter - Sound & Decibel

(577)

ad-supported

Decibel sound level meter

Noise Meter - Decibel Pro

Noise Level Frequency Analyzer

Noise Level & Loudness

Real-time dB readingsLive waveform visualizationNoise interpretation and safety insights

Instantly measure sound levels and understand noise pollution with this smart decibel meter. It provides real-time dB readings, safety insights, and context for everyday sounds to help protect your hearing.

Spectrum: Audio Analyzer

Real-time FFT spectrum

🎵 Music

Audio noise Spectrum Analyzer

Decibel: dB Sound Meter

Real-time decibel measurementIntegrated Spectrum AnalyzerNoise pollution detection

Measure ambient noise levels with professional accuracy. This app provides real-time decibel readings, spectrum analysis, and the ability to save and share measurements. It helps identify noise pollution and offers customizable warnings to protect your hearing.

(6)

Noise Meter - Decibel Meter

by Tu Anh Do

Instant decibel measurementsVisualize sound levelsAccurate sound perception

Measure sound levels with a professional audio tool. This app visualizes sound pressure in decibels using your device's microphone, offering instant, accurate readings with a user-friendly interface and cool graphics.

Clear Wave：Water Eject & Clean

(6)

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Sound tester & speaker cleaner

Auto water ejection using sound wavesDust cleaning with sonic pulsesScreen dead pixel checker

Restore your device's audio clarity and check its hardware with sonic wave technology. This app helps eject water, clean dust from speakers, test for dead pixels, measure decibel levels, and generate frequencies. It's a comprehensive diagnostic suite for optimal device performance.

🎵 Music

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Sound Level Meter & Noise dBA

Loudly: Decibel Meter dB

Real-time decibel measurementsIEC 61672 compliant audio engineA-weighting and C-weighting filters

Transform your iPhone into a precise sound level meter. It measures noise in real-time with a clear visual display and offers professional features for various uses, from monitoring baby rooms to protecting your hearing. All processing is done on-device with no data collection.

(1)