Best Audio Analyzer Apps

228+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our audio analyzer list covers 228+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Audio Analyzer

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Editor's Choice
🎵 Music
4.5😐(129 ratings)
FreeAdsIn-App Purchases
Audio / Spectrum Analyzer screenshot 1
Audio / Spectrum Analyzer screenshot 2
Audio / Spectrum Analyzer screenshot 3
Audio / Spectrum Analyzer screenshot 4
Audio / Spectrum Analyzer screenshot 5
Audio / Spectrum Analyzer screenshot 6

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
Decibel X:dB Sound Level Meter#2

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

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(156K 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

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
Audio Spectrum Analyzer dB RTA#3

Audio Spectrum Analyzer dB RTA by Marina Polyanskaya

Sound frequency, decibel meter
Worth Considering
🎵 Music
4.5😐(3K ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer dB RTA screenshot 1
Audio Spectrum Analyzer dB RTA screenshot 2
Audio Spectrum Analyzer dB RTA screenshot 3

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.

What We Love

  • 🚀 Excellent audio analysis tool
  • 👍 Clean and intuitive interface
  • 💡 Customizable frequency range
  • 🔍 Accurate real-time spectrum visualization

Room to Improve

  • 🐛 Compatibility issues with newer iOS versions
  • 🔁 Constant prompts to upgrade to Pro version
  • 🔌 High battery consumption

More Audio Analyzer apps to explore

4
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

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.

Octave Band Real Time AnalyzerFFT Plot (Fast Fourier Transform)Sound level meter (dB meter)
🎵 Music
(236)
free with in-app purchases
5
AudioAnalyzerApp
AudioAnalyzerApp
AudioAnalyzerApp
Let's enjoy sound
Free
🎵 Music
(0)
6
SpectralScan Audio Analyzer
SpectralScan Audio Analyzer
SpectralScan Audio Analyzer
by Otsukare AB
Free

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.

Real-time frequency spectrum visualizationSine sweep measurements for system responseSpectrogram for time-frequency analysis
🔧 Utilities
(3)
free with in-app purchases
7
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

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
🔧 Utilities
(36K)
freemium
8
Smaart RTA
Smaart RTA
Smaart RTA
RTA, Spectrograph, SPL Meter
Free

Analyze audio in real time with professional-grade tools. Visualize frequency content, manage feedback, and monitor sound pressure levels with precision and ease, all from your mobile device.

Professional RTA graph with averaging optionsSpectrograph for feedback and frequency managementSPL meter with A & C weighting
🎵 Music
(195)
free with in-app purchases
9
Audio Analyzer
Audio Analyzer
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
🎵 Music
(2)
paid
10
HouseCurve
HouseCurve
HouseCurve
Simple audio system tuning
Free

This app provides a suite of tools for tuning audio systems, including room correction, equalizer adjustments, and subwoofer phase setting. It measures in-room frequency response and can generate filter settings for various audio systems. It's suitable for home and car audio enthusiasts looking to optimize their sound.

Sine sweep and pink noise measurementsReal-time moving mic measurementsTarget curve comparison and creation
🔧 Utilities
(241)
free with in-app purchases
11
Audio Analyst
Audio Analyst
Audio Analyst
Explore a new world of audio
Free

This professional audio analysis software offers a comprehensive suite of measurement tools. It supports spectrum analysis, phase spectrum, audio oscilloscope, and spectrograms, along with recording, playback, and peak measurement functionalities.

Spectrum analysisAudio oscilloscopeSpectrogram visualization
🔧 Utilities
(1)
free with in-app purchases
12
RTA Audio
RTA Audio
RTA Audio
by New Ball s.r.o.
Free

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

Real-time audio analysis (FFT)Recording and offline processingSpectrogram and waveform visualization
🎵 Music
(31)
free with in-app purchases
13
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB d.o.o.
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.

Sound level measurementNoise dosimetryHearing hazard information
🔧 Utilities
(16K)
free
14
Audio Analyzer
Audio Analyzer
Audio Analyzer
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
🎵 Music
(38)
paid
15
Spectrum Analyzer RTA
Spectrum Analyzer RTA
Spectrum Analyzer RTA
Sound Frequency Analyzer
$19.99

This real-time audio analysis app provides precision measurement and visualization for sound frequencies. It's designed for musicians and recording engineers, offering tools for room and speaker tuning, and can be used with built-in or external microphones.

Octave Band Real Time AnalyzerFFT PlotSpectrograph module
🎵 Music
(67)
paid
16
Frequency Analyzer
Frequency Analyzer
Frequency Analyzer
Audio Spectrum, Spectroid, dB
Free

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

Real-time FFT analysisCalibrated SPL measurements32-bit float audio recording
🔧 Utilities
(97)
free with in-app purchases
17
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

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
🎵 Music
(5K)
free with in-app purchases
18
MOTIV Audio
MOTIV Audio
MOTIV Audio
High-definition recording
Free

Record and edit high-quality audio using your device's microphone or a connected MOTIV microphone. Features include uncompressed WAV recording, editing tools like trim and split, and advanced audio controls when using compatible hardware.

Record uncompressed WAV audioEdit recordings with trim/splitAdjustable fade curves and markers
🎵 Music
(3.3K)
free
19
Lexis Audio Editor
Lexis Audio Editor
Lexis Audio Editor
Record & Edit Audio
Free

This app offers comprehensive audio editing tools, including recording, playback, and advanced manipulation like cutting, pasting, and noise reduction. It supports various audio formats and allows for complex mixing and effects.

Audio recording and playbackCut, copy, paste, trim, delete audioNoise reduction and normalization
🔧 Utilities
(1.7K)
free with in-app purchases
20
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Audio frequency visualizer
Free

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

Sound level meterMultichannel harmonic analysisAdjustable graphics
🎵 Music
(192)
freemium

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