Best Audio Analyzer App

229+ iOS apps curated and reviewed

4.6 avg rating
15 free apps
Updated June 2026

Out of 229+ audio analyzer app apps on iOS, 15 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 Audio Analyzer App

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Editor's Choice
šŸŽµ Music
4.5😐(129 ratings)
$10.99AdsIn-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

  • šŸ‘ Customizable features
  • āš™ļø Accurate measurements
  • šŸš€ Helpful for troubleshooting
  • šŸ’” Useful for ghost hunting

Room to Improve

  • šŸ› Crashes and freezes
  • šŸ”‹ High battery and CPU usage
  • 🚫 Inappropriate ads/content
Audio Spectrum Analyzer Pro#3

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis
Worth Considering
šŸŽµ 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

  • šŸ‘ Intuitive and easy-to-use interface
  • šŸ’° Completely free with no ads
  • šŸŽÆ Accurate frequency and spectrum analysis
  • šŸ“Š Multiple visualization modes (FFT, spectrograph, bar display)

Room to Improve

  • šŸ’ø Aggressive subscription/paywall nags
  • šŸ”„ Frequent iOS compatibility issues after updates
  • šŸ“‰ Features moved behind paywall in recent updates

More Audio Analyzer App apps to explore

4
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.

šŸŽµ Music
(3K)
5
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.

šŸŽµ Music
(2)
6
AudioAnalyzerApp
AudioAnalyzerApp
AudioAnalyzerApp
Let's enjoy sound
Free
šŸŽµ Music
(0)
7
Smaart RTA
Smaart RTA
Smaart RTA
RTA, Spectrograph, SPL Meter
Free
šŸŽµ Music
(195)
8
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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.

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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.

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(241)
10
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.

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11
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.

šŸŽµ Music
(38)
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!

šŸŽµ Music
(5K)
13
SoundLab - Audio Editor
SoundLab - Audio Editor
SoundLab - Audio Editor
audacity, mixer, music studio.
Free

An innovative audio editing app, offering a 16-track editor, AI vocal separation, recording studio, video composer, and a range of editing tools. Ideal for music lovers, podcast producers, students, and teachers familiar with Audacity or Audition. Try it out for mobile audio editing on the go!

šŸŽµ Music
(13K)
14
Voice recorder: Audio editor
Voice recorder: Audio editor
Voice recorder: Audio editor
Audio recorder & Audio editor
Free

"Capture and edit audio easily with our voice recorder and audio editor app. Record, trim, and enhance your recordings effortlessly. Download now to create professional-quality audio files."

šŸ”§ Utilities
(7.5K)
15
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.

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16
MOTIV Audio
MOTIV Audio
MOTIV Audio
High-definition recording
Free

A high-definition recording app that offers crisp audio capture and editing capabilities, including uncompressed WAV recording, advanced editing tools, and compatibility with Shure MOTIV microphones for enhanced control and customization. Elevate your audio recording experience with precision and clarity.

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17
Audio Analyst
Audio Analyst
Audio Analyst
Explore a new world of audio
Free
šŸ”§ Utilities
(1)
18
Voice Record Pro
Voice Record Pro
Voice Record Pro
Audio Recorder & Sound Editor
Free

Record audio with ease and efficiency using this advanced application. Capture high-quality audio recordings for various purposes with just a few taps. Try it now and experience seamless and convenient audio recording.

šŸ”§ Utilities
(16K)
19
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

Generate pure sine wave tones at various frequencies for purposes like tuning instruments, hearing tests, and audio equipment testing. Easily adjust frequencies, volume, and output options with user-friendly controls. Created by audio experts at TMSOFT. Explore more apps at http://www.tmsoft.com/.

šŸŽµ Music
(128)
20
Spectrum Analyzer RTA
Spectrum Analyzer RTA
Spectrum Analyzer RTA
Sound Frequency Analyzer
$19.99
šŸŽµ Music
(67)