Best Audio Analyzer Apps

224+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our audio analyzer list covers 224+ iPhone apps updated through May 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
4.9😐(72 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 app is a versatile Audio/Spectrum Analyzer that allows users to view and analyze audio waveforms and amplitude spectrums from microphone input. It offers customization options for display settings, FFT size, window functions, waveform generation, and noise signal generation. Additionally, it supports Bluetooth connection policies and offers an option to hide advertisements through an in-app purchase. For a more advanced multi-channel audio signal experience, users can try out the "Multi Wave Oscillator" linked within the app's settings.

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
Audio Spectrum Analyzer Pro#2

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis
Strong Contender
🎵 Music
4.4😐(236 ratings)
FreeAdsIn-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

This app is a powerful real-time audio analysis tool with features like FFT plot, octave band real-time analyzer, and various measurement functions. It offers precise measurements using device-integrated microphones, AirPods support, and external microphone compatibility. Explore more features and functionalities by checking out the app!

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)

Room to Improve

  • 💸 Aggressive subscription/paywall nags
  • 🔄 Frequent iOS compatibility issues after updates
  • 📉 Features moved behind paywall in recent updates
Decibel X:dB Sound Level Meter#3

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

Frequency Spectrum Analyzer
Worth Considering
🔧 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

Transform your iOS device into a professional sound level meter with pre-calibrated accuracy and various frequency spectrum analysis tools. Measure sound pressure levels, export data to Health app, and enjoy features like FFT graphs, dosimeter readings, and InstaDecibel for social sharing. Experience the convenience of tracking noise levels with precision and ease.

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

More Audio Analyzer apps to explore

4
AudioAnalyzerApp
AudioAnalyzerApp
AudioAnalyzerApp
Let's enjoy sound
Free
🎵 Music
(0)
5
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

An advanced sound level meter app with a built-in Spectrum Analyzer for precise measurements. Monitor noise levels, save measurements, export data, and protect your hearing using various features. Download now for accurate sound monitoring and protection.

🔧 Utilities
(36K)
6
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Sound frequency, decibel meter
Free

An advanced audio analysis app with features like real-time spectrum analysis, sound meter, and FFT plot for tuning home cinema, car stereo, and more. Experience precise frequency breakdowns and harmonic analysis with smooth HD graphics. Contact support for questions or feedback.

🎵 Music
(3K)
7
Smaart RTA
Smaart RTA
Smaart RTA
RTA, Spectrograph, SPL Meter
Free
🎵 Music
(195)
8
SpectralScan Audio Analyzer
SpectralScan Audio Analyzer
SpectralScan Audio Analyzer
by Otsukare AB
Free
🔧 Utilities
(0)
9
HouseCurve
HouseCurve
HouseCurve
Simple audio system tuning
Free

HouseCurve is a versatile tool for tuning audio systems, offering features like room correction, equalizer adjustments, subwoofer phase setting, and more. Easily measure, compare, and adjust your audio setup for optimal sound quality. Visit housecurve.com for details and additional features.

🔧 Utilities
(241)
10
Audio Analyzer
Audio Analyzer
Audio Analyzer
by DEXUS Pawel Krzywdzinski
$9.99

This application provides a real-time visual representation of acoustic signals, allowing users to analyze sounds, measure audio equipment, and identify spoken words. With various tools, including spectrum, spectrogram, and oscilloscope analyzers, users can gain insights into sound frequencies and characteristics, and even share their findings or export data for further analysis.

🎵 Music
(38)
11
Audio Analyzer
Audio Analyzer
Audio Analyzer
Realtime Spectrum Analyzer
$3.99

This application provides a realtime spectrum analyzer that visualizes waveforms and spectra at 60FPS, with features such as waveform visualization, spectrum analysis, and historical data tracking. Explore its capabilities, including full-screen mode, zooming, and volume adjustment, to analyze and understand audio signals in detail.

🎵 Music
(2)
12
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

Get precise sound measurements on your smartphone with AudioTools. Measure dB levels, analyze sound frequencies, and optimize audio equipment for the best sound quality on the go. Download now for accurate audio analysis!

🎵 Music
(5K)
13
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB d.o.o.
Free

This award-winning app, developed by acoustics engineers and hearing loss experts, offers a simple and free solution for measuring sound levels accurately. It provides essential metrics, calibration options, educational resources, and expert support, making it a comprehensive tool for monitoring noise exposure and protecting hearing. Click the link to access the app: [NIOSH Sound Level Meter](https:/www.cdc.gov/niosh/topics/noise/app.html).

🔧 Utilities
(16K)
14
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
Spectrogram, RTA, dB Analyzer
Free

This real-time audio analyzer app visualizes sound in various graphs, including RTA, FFT, and spectrogram, with customizable scales and data displays. Download the app to analyze and view audio data in a sleek and functional interface.

🎵 Music
(84)
15
Audio Analyst
Audio Analyst
Audio Analyst
Explore a new world of audio
Free
🔧 Utilities
(1)
16
RTA Audio
RTA Audio
RTA Audio
by New Ball s.r.o.
Free

This application provides a real-time audio analyzer with recording capabilities and a visualizer module for exporting results, allowing users to analyze and process audio inputs using Fast Fourier Transform. With its various features and tools, users can record, visualize, and export audio data in a PDF document, making it easy to share or archive analysis results.

🎵 Music
(31)
17
Decibel Meter X
Decibel Meter X
Decibel Meter X
Audio spectrum analyzer
Free

This sound measurement and spectrum analysis tool allows users to easily measure decibel levels, decompose sound into frequency components, and generate specific frequency sounds for various applications. With its intuitive interface and detailed instructions, it's suitable for both beginners and professionals, enabling them to explore and understand sound in-depth.

🔧 Utilities
(18)
18
Oscilyzer
Oscilyzer
Oscilyzer
Audio analyzer and generator
Free

This audio analysis and generation tool combines an oscilloscope, spectrum analyzer, and synthesizer, allowing users to visualize and manipulate audio signals in real-time. With various operating modes and settings, users can analyze and generate audio frequencies, and even transfer dominant frequencies between modes to create and customize sounds.

📊 Productivity
(8)
19
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Audio frequency visualizer
Free

Experience real-time sound analysis with a professional Spectrum Analyzer app that includes a sound level meter, multichannel harmonic analysis, adjustable graphics, and an AI-powered sound source analyzer. Enhance your understanding of your sound environment with detailed graphical representations and precise measurements. Check it out now!

🎵 Music
(188)
20
Lexis Audio Editor
Lexis Audio Editor
Lexis Audio Editor
Record & Edit Audio
Free

A powerful audio editing app with features like recording, editing, mixing, and enhancing audio files. Easily manipulate audio with functions such as cutting, pasting, equalizing, and more. Import and export a variety of file formats, and seamlessly integrate with iCloud and iTunes.

🔧 Utilities
(1.7K)

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