Best Audio Analyzer Apps

4.6😐(1K ratings)

FreeAdsIn-App Purchases

This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.

What We Love

👍 Customizable features
⚙️ Accurate measurements
🚀 Helpful for troubleshooting
💡 Useful for ghost hunting

Room to Improve

🐛 Crashes and freezes
🔋 High battery and CPU usage
🚫 Inappropriate ads/content
🔒 Security concerns with payment info

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer

Strong Contender

4.6😐(162K ratings)

FreeIn-App Purchases

Decibel X:dB Sound Level Meter screenshot 1

Decibel X:dB Sound Level Meter screenshot 2

Decibel X:dB Sound Level Meter screenshot 3

Decibel X:dB Sound Level Meter screenshot 4

Decibel X:dB Sound Level Meter screenshot 5

Decibel X:dB Sound Level Meter screenshot 6

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.

What We Love

⭐ Excellent app
👍 Easy to use and understand
🔍 Useful for various applications
🎓 Helpful for hearing protection
🔧 Accurate and reliable

Room to Improve

💰 Expensive subscription model
🔒 Misleading free trial
📢 Intrusive ads
🤖 Inaccurate readings compared to professional meters
🤔 Confusing interface

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis

Worth Considering

Audio Spectrum Analyzer dB RTA

4.4😐(238 ratings)

FreeIn-App Purchases

Audio Spectrum Analyzer Pro screenshot 1

Audio Spectrum Analyzer Pro screenshot 2

Audio Spectrum Analyzer Pro screenshot 3

Audio Spectrum Analyzer Pro screenshot 4

Audio Spectrum Analyzer Pro screenshot 5

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

What We Love

👍 Intuitive and easy-to-use interface
💰 Completely free with no ads
🎯 Accurate frequency and spectrum analysis
📊 Multiple visualization modes (FFT, spectrograph, bar display)
🔧 Professional-grade audio measurement tool
🎵 Identifies musical notes and frequencies
⚡ Responsive and real-time analysis
🛠️ Useful for sound engineering and audio setup
📱 Works well on both iPhone and iPad

Room to Improve

💸 Aggressive subscription/paywall nags
🔄 Frequent iOS compatibility issues after updates
📉 Features moved behind paywall in recent updates
🐛 App crashes on startup (especially iOS 16/26)
⚠️ Misleading free trial that requires payment
🔐 Excessive permissions requests (photo access)
🎚️ Limited microphone sensitivity controls
📊 Graph obscured by notch/dynamic island
🔊 Mutes device speaker volume when running
⏱️ Slow performance on some devices

More Audio Analyzer apps to explore

Sound frequency, decibel meter

Octave Band Real-Time AnalyzerFFT Plot - Fast Fourier TransformIntegrated Sound Level Meter (dB-A)

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

free with in-app purchases

(3K)

Audio Analyzer

Realtime Spectrum Analyzer

$3.99

Visualize audio in real-time with waveform and spectrum analysis. Explore historical peaks and FFT data with intuitive touch controls for zooming and volume adjustment.

Waveform visualizer (oscilloscope)Spectrum analyzerHistorical peak display

Spectrum Lab - Audio Analyzer

(2)

paid

Frequency Spectrum Analyzer

SpectralScan Audio Analyzer

Spectrum, RTA & Spectrogram dB

Real-time frequency spectrum visualizationSine sweep measurements for system responseSpectrogram for time-frequency analysis

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

free with in-app purchases

(10)

Audio Spectrum Pro: Analyzer

Spectrum, tuner, RT60 & more

by DEXUS Pawel Krzywdzinski

$9.99

This app provides real-time visual analysis of acoustic signals. It offers detailed insights into sound through spectrum, spectrogram, oscilloscope, and RTA displays, useful for musicians, engineers, and researchers.

Real-time spectrum analyzerSpectrogram analysis (color/B&W)Oscilloscope with full FFT window

Visualize sound effortlessly

(40)

paid

Easy Audio Spectrogram

N-Signal / FFT Sound Analyzer

Audio Spectrum Analyzer

Real-time FFT audio spectrum analysisdB SPL sound pressure level meterDigital frequency analyzer (dBFS)

Visualize sound in real-time with this audio analysis tool. It measures sound pressure levels and analyzes digital frequency levels, offering a reliable reference for sound checks and adjustments in various environments.

ad-supported

NIOSH Sound Level Meter

by EA LAB

Sound level measurementNoise dosimetryHearing hazard information

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.

FFT Spectrum Audio Analyzer

(17K)

free

Real-Time FFT and dB Meter

$6.99

Spectrum-V: Audio analyzer

Spectrum, Spectrogram & Tuner

$5.99

Pro audio measurement suite

Sounn VR Audio Analyzer

RTA, FFT & Spectrogram

Spectrum: Audio Analyzer

Real-time FFT spectrum

Frequency Analyzer Spectrum

Audio Spectrum Analyzer Hz

FFT, dB & tone generator

Real-time RTA/FFT analyzerdB meterFrequency generator

This application transforms your mobile device into a real-time audio analysis tool. It allows you to monitor sound frequencies, decibel levels, and identify peaks using your device's microphone, aiding in the tuning and testing of various audio systems.