Best Sound Wave Judgement Apps

234+ iOS apps curated and reviewed

4.5 avg rating

18 free apps

Updated May 2026

Out of 234+ sound wave judgement apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Sound Wave Judgement

#1

Sound Wave Judgement by Komatsu Ltd.

Editor's Choice

📊 Productivity

0.0(0 ratings)

Free

Sound Wave Judgement screenshot 1

#2

NIOSH Sound Level Meter by EA LAB d.o.o.

Strong Contender

🔧 Utilities

4.7😊(16K ratings)

Free

NIOSH Sound Level Meter screenshot 1

NIOSH Sound Level Meter screenshot 2

NIOSH Sound Level Meter screenshot 3

NIOSH Sound Level Meter screenshot 4

NIOSH Sound Level Meter screenshot 5

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

Room to Improve

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

#3

Clear Wave - Water Eject App by European apps solutions LTD

Speaker Cleaner & Remover

Worth Considering

🎵 Music

4.6😞(1.9K ratings)

FreeIn-App Purchases

Clear Wave - Water Eject App screenshot 1

Clear Wave - Water Eject App screenshot 2

Clear Wave - Water Eject App screenshot 3

Clear Wave - Water Eject App screenshot 4

Clear Wave - Water Eject App screenshot 5

Clear Wave - Water Eject App screenshot 6

This app generates sound waves to eject water from phone speakers, test audio equipment, and measure environmental noise. It offers dynamic sound control and various waveform options for versatile audio tasks.

What We Love

👍 Works well
🔊 Useful for measuring noise levels

Room to Improve

💰 Requires payment for full functionality
🚫 Limited free trial
🤔 Confusing free vs paid features

More Sound Wave Judgement apps to explore

Water Eject - Clear Wave +

Water Eject - Clear Wave +

Powerful sonic sound waves

Generate powerful and clean sonic sound waves. This app functions as a speaker booster and waves generator, aiming to make audio sound perfect. Full access to features requires a subscription.

Clean sound generationSpeaker boost functionalityWaves generator

Clear Wave : Speaker Test

Clear Wave : Speaker Test

Sound Wave - Tone Generator

This app generates sound waves to test and enhance speaker performance. It offers customizable frequencies, test modes, and stereo channel testing. You can also boost bass and volume, and play audio from files or Apple Music.

Speaker testing with sound wavesCustomizable frequency generator (0-20,000 Hz)Multiple test modes (Standard, deep, quick)

free with in-app purchases

Decibel - sound level meter

Decibel - sound level meter

Spectrum frequency analyzer

Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.

Measure sound pressureSpectrum frequency analysisReference chart comparison

Decibel : dB sound level meter

Decibel : dB sound level meter

Audio noise Spectrum Analyzer

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.

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

Decibel Meter Sound Detector

Decibel Meter Sound Detector

Track noise around you.

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps

📊 Productivity

free with in-app purchases

Speaker Cleaner | Clear Wave

Speaker Cleaner | Clear Wave

Eject Wave + Blower, water

$1.99 | 100% OFF

This app helps you clean your phone's speakers and headphones by using sound waves to remove dust and moisture. It also offers sound tests, tone generation, and personalization features to optimize audio quality.

Speaker cleaning with sound wavesMoisture and dust removalHeadphone sound optimization

Decibel X:dB Sound Level Meter

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

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.

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

free with in-app purchases

Wavex: Clear Wave, Water Eject

Wavex: Clear Wave, Water Eject

Clean Wave, Liquid Remover, hz

This app helps maintain your device's audio performance by ejecting trapped water from speakers, generating precise sound tones, and monitoring ambient noise levels. It offers a clean interface and tools for device upkeep and sound exploration.

Water ejection from speakersCustomizable tone generationEnvironmental noise monitoring

free with in-app purchases

SoundLevel: Decibel Reading

SoundLevel: Decibel Reading

by Smudge Apps Ltd

Measure ambient noise levels with calibrated dBA readings that mimic human hearing. Compare current sound levels to familiar benchmarks and review historical data with intuitive graphs. Export your findings for further analysis with optional pro features.

Quick sound level measurementsCalibrated dBA readingsComparison values

free with in-app purchases

Clear Wave & Water Eject APP

Clear Wave & Water Eject APP

Clean Wave & Speaker Cleaner

This app helps eject water from your device's speaker using sonic sound waves and a frequency generator. It also includes a dB meter to monitor sound levels and tools for color and touch screen testing.

Eject water from speakers with sonic soundClean dust and liquid from speakersMonitor sound levels with dB meter

free with in-app purchases

AudioTools, dB, Sound & Audio

AudioTools, dB, Sound & Audio

RTA, Acoustics Measurement SPL

This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.

SPL Meter with A/C weightingReal Time Analyzer (RTA)Fast Fourier Transform (FFT) analysis

free with in-app purchases

Decibel X PRO: dBA Noise Meter

Decibel X PRO: dBA Noise Meter

Frequency Spectrum Analyzer

This application transforms your device into a professional sound level meter, offering precise dBA and dBC measurements. It features advanced analysis tools like frequency spectrum analysis and data export, making it ideal for audio professionals and anyone interested in sound environments.

Professional sound level meterdBA and dBC measurementsFrequency spectrum analysis (FFT, BAR graphs)

Clear Wave ‒ Water Eject

Clear Wave ‒ Water Eject

Speaker Cleaner and Remover

This utility app uses sound waves to remove moisture and water from your device's speakers. It offers features to test speaker performance, vibration, and noise levels, ensuring optimal audio quality. A convenient widget provides quick access to its functions.

Speaker water removal with sound wavesAdjustable frequency and vibration levelsSpeaker performance testing

Clear Wave - Speaker Test

Clear Wave - Speaker Test

Eject Clear Sound from Speaker

Test and analyze your phone's speakers with precision using a series of tones. Evaluate bass response, stereo channels, and frequency generation. Includes a decibel meter for sound level measurement.

Advanced speaker testingVolume booster modeBass testing

free with in-app purchases

Measure noise and sound level

This application measures noise and sound levels using your device's microphone. It displays results in decibels on a logarithmic graph and allows for calibration to ensure accuracy. You can record minimum, average, and maximum sound levels.

Measure sound levelVibration meterNoise detector

free with in-app purchases

Decibel Meter: dB Sound Meters

Decibel Meter: dB Sound Meters

dB Sound Test and Noise Meter

Transform your phone into a professional sound level meter to measure decibel and hertz levels in real-time. Track environmental noise, set custom alerts for safe sound thresholds, and log data for later review. Features include graphical analysis and calibration options for accuracy.

Real-time sound level measurementGraphical and frequency analysisCustomizable sound alerts

free with in-app purchases

Decibel Meter Ultra

Decibel Meter Ultra

Noise Level Frequency Analyzer

Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.

Precision sound level meteringNoise logging and reportingHearing protection dosimeter

free with in-app purchases