Best Audio Analyzer App

229+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated June 2026

Out of 229+ audio analyzer app on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Audio Analyzer App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree was $10.994.6★ (971)YesYesJul 2026
2SpectralScan Audio AnalyzerSpectralScan Audio AnalyzerFree5.0★ (3)NoYesJul 2026
3Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (236)YesYesJul 2026
4Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesJul 2026
5Audio AnalyzerAudio Analyzer$3.995.0★ (2)NoNoMay 2026
6AudioAnalyzerAppAudioAnalyzerAppFreeNoNoMay 2026
7Smaart RTASmaart RTAFree4.8★ (195)NoYesJul 2026
8Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7★ (156K)NoYesJul 2026

Top Picks for Audio Analyzer App

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Editor's Choice
🎵 Music
4.6😐(970 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
SpectralScan Audio Analyzer#2

SpectralScan Audio Analyzer by Otsukare AB

Strong Contender
🔧 Utilities
5.0(3 ratings)
FreeIn-App Purchases
SpectralScan Audio Analyzer screenshot 1
SpectralScan Audio Analyzer screenshot 2
SpectralScan Audio Analyzer screenshot 3
SpectralScan Audio Analyzer screenshot 4

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.

Audio Spectrum Analyzer Pro#3

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis
Worth Considering
🎵 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

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)

Room to Improve

  • 💸 Aggressive subscription/paywall nags
  • 🔄 Frequent iOS compatibility issues after updates
  • 📉 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

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.

Octave Band Real-Time AnalyzerFFT Plot - Fast Fourier TransformIntegrated Sound Level Meter (dB-A)
🎵 Music
(3K)
free with in-app purchases
5
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
6
AudioAnalyzerApp
AudioAnalyzerApp
AudioAnalyzerApp
Let's enjoy sound
Free
🎵 Music
(0)
7
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
8
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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
🔧 Utilities
(156K)
free with in-app purchases
9
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
(256)
free with in-app purchases
10
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
11
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
12
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
13
SoundLab - Audio Editor
SoundLab - Audio Editor
SoundLab - Audio Editor
audacity, mixer, music studio.
Free

This app provides desktop-grade audio editing tools on your mobile device. It features a multi-track editor with numerous effects, an AI vocal separator, and a robust audio recorder. It's designed for music and podcast creators needing a convenient, on-the-go solution.

16-track audio editorOver 20 audio effectsAI Vocal Separator
🎵 Music
(13K)
free with in-app purchases
14
Voice recorder: Audio editor
Voice recorder: Audio editor
Voice recorder: Audio editor
Audio recorder & Audio editor
Free

Record high-quality audio for meetings, notes, lectures, and music with no time limits. This easy-to-use app offers background recording, adjustable sample rates, and editing capabilities. Save files to internal storage or an SD card and share them easily.

High-quality voice recordingRecord meetings, notes, lectures, songsBackground recording
🔧 Utilities
(7.5K)
free with in-app purchases
15
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
16
MOTIV Audio
MOTIV Audio
MOTIV Audio
고선명 레코딩
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
(3.5K)
free
17
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
18
Voice Record Pro
Voice Record Pro
Voice Record Pro
Audio Recorder & Sound Editor
Free

Record and edit audio with unlimited length and configurable quality. Supports multiple formats, cloud storage, and various export options. Offers playback speed control, volume boost, and editing tools like trimming and splitting.

Unlimited recording lengthMultiple audio formats (MP4, MP3, WAV)Cloud storage integration
🔧 Utilities
(16K)
free with in-app purchases
19
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.

Generate sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning
🎵 Music
(2.6K)
ad-supported
20
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

FAQ about Audio Analyzer App

What is the best audio analyzer app for iPhone?
Audio / Spectrum Analyzer tops our audio analyzer app ranking as of June 2026, with a 4.6-star average from 971 App Store ratings, and it's free to download.
Yes — 16 of the top audio analyzer app we rank are free to download, including Audio / Spectrum Analyzer and SpectralScan Audio Analyzer.
Audio / Spectrum Analyzer shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 229+ audio analyzer app on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app analyzes audio signals from your device's microphone and displays both the audio waveform and its amplitude spectrum in real-time. It uses FFT (Fast Fourier Transform) to calculate the spectrum, allowing for detailed frequency analysis.
Key features include simultaneous waveform and spectrum display, selectable FFT sizes, spectrum averaging for smoother results, various frequency weighting options (Flat, dBA, dBC), octave band analysis, and the ability to generate sine, triangle, square, and saw waveforms, as well as white and pink noise.