Best Spectrogram App

214+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated June 2026

If you already know Spectrolite, this is the deeper bench. 214+ spectrogram app apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Spectrogram App

Spectrolite#1

Spectrolite by Waxing Wave

Smooth real-time spectrograms
Editor's Choice
🔧 Utilities
4.8(51 ratings)
FreeIn-App Purchases
Spectrolite screenshot 1
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Spectrolite screenshot 4
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Spectrolite screenshot 6

This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.

SpectrumView#2

SpectrumView by Oxford Wave Research Ltd.

Strong Contender
📚 Education
3.1😐(70 ratings)
FreeIn-App Purchases
SpectrumView screenshot 1
SpectrumView screenshot 2
SpectrumView screenshot 3
SpectrumView screenshot 4
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SpectrumView screenshot 6

This app provides real-time audio analysis with a dynamic spectrogram and spectrum analyzer. Visualize audible and inaudible frequencies, measure tones, get feedback on speech, identify sounds, and calibrate instruments. Access recordings and snapshots easily.

What We Love

  • 👍 Accurate and reliable spectrogram visualization
  • 🎯 Highly configurable FFT and sampling settings
  • 🎨 Beautiful and intuitive user interface
  • 📊 Excellent for analyzing speech, music, and animal sounds

Room to Improve

  • 💰 Aggressive in-app purchase model for basic features
  • 🔐 Unexplained location permission requests
  • 📉 Linear frequency scale wastes screen space
TB Spectrogram#3

TB Spectrogram by ToneBoosters

Spectrum visualisation plug-in
Worth Considering
🎵 Music
4.4(45 ratings)
Free
TB Spectrogram screenshot 1
TB Spectrogram screenshot 2

This app provides real-time audio analysis with a spectrogram, spectrum analyzer, and goniometer. It can be used as a standalone application or as an AUv3 plugin within compatible music production hosts. Visualize your audio in detail with adjustable settings and multiple display options.

More Spectrogram App apps to explore

4
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
5
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
RTA (FFT / Octave Analysis)
Free
$10.99 | 100% OFF

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.

Simultaneous waveform and spectrum displayConfigurable display layoutsSelectable FFT size and averaging
🎵 Music
(129)
free with in-app purchases
6
FNam FFT Spectrogram Analyzer
FNam FFT Spectrogram Analyzer
FNam FFT Spectrogram Analyzer
by YEON SEOB KIM
Free
🔧 Utilities
(0)
7
Spectrogram Pro (with super-smooth 60Hz update)
Spectrogram Pro (with super-smooth 60Hz update)
Spectrogram Pro (with super-smooth 60Hz update)
by Dominik Seibold
$3.99

Analyze sounds in real-time with spectral analysis. Discover hidden patterns in music, identify bird calls, or pinpoint annoying high-frequency noises. Save and share your visual sound analyses.

Real-time spectral analysisAdjustable FFT resolutionLogarithmic/linear frequency and amplitude scales
🎵 Music
(26)
paid
8
Lab | Audio
Lab | Audio
Lab | Audio
For the love of audio
Free

Explore the world of audio with this app. It offers playback controls, real-time frequency displays, and spectrogram analysis to understand sound.

Audio playback (play, pause, skip)Real-time frequency displaySpectrogram analysis
🎵 Music
(0)
free
9
Spectrogram for Logic Pro
Spectrogram for Logic Pro
Spectrogram for Logic Pro
Auv3 Plugin for iOS and macOS
Free

Visualize audio spectrums in real-time with this Audio Unit Plugin. Analyze audio for music production, speech, or noise reduction. Compatible with various host apps and syncs with your project.

Real-time audio spectrum visualizationAUv3 plugin compatibilitySyncs with host app waveforms
🎵 Music
(6)
free
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
Voice Spectrogram Logger
Voice Spectrogram Logger
Voice Spectrogram Logger
by Yukiko Iwai
Free

Visualize voice frequencies in a spectrogram from 20-2500Hz. Adjust display with sliders and log recordings to export as PNG files. Functions fully offline and supports background processing.

Real-time voice spectrogram displayAdjustable frequency range (20-2500Hz)Zoomable spectrogram with pinch gestures
📚 Education
(1)
free
12
Live Spectrogram
Live Spectrogram
Live Spectrogram
Realtime audio spectral viewer
$1.99

Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.

Real-time audio visualizationFrequency analysisTime-based spectrum display
🔧 Utilities
(4)
paid
13
Sorama App
Sorama App
Sorama App
Make sound insightful
Free
🔧 Utilities
(0)
14
MintFFT
MintFFT
MintFFT
Audio spectrum analyzer
Free
🎵 Music
(0)
15
Analyseur Spectre - Frequences
Analyseur Spectre - Frequences
Analyseur Spectre - Frequences
Mesure decibel et egaliseur
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
(193)
freemium
16
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
17
Spectrojam
Spectrojam
Spectrojam
Sound Visualizer
Free

This app transforms sounds from your microphone into dynamic colors and shapes on your screen. It visualizes the frequency composition of everyday noises and musical tunes, allowing you to see sound signatures and even translate them into musical notes.

Real-time sound to color/shape visualizationMusical note display for pitch accuracyChord and harmony analysis
🎵 Music
(25)
free with in-app purchases
18
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
Spectrogram, RTA, dB Analyzer
Free

Visualize audio in real-time with various data graphs like RTA Bar, FFT, and Spectrogram. Offers full octave and 1/3 octave analysis with linear or logarithmic scales. Displays peak and current dB data in a sleek, functional interface.

Real-time audio analysisRTA Bar / Line GraphFFT and Spectrogram visualization
🎵 Music
(84)
free with in-app purchases
19
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Sound frequency, decibel meter
$3.99

This app provides real-time audio analysis and visualization for sound frequency and decibel levels. It's designed for precise audio measurement, suitable for both hobbyists and professionals tuning rooms or speakers.

Octave Band Real-Time AnalyzerFFT PlotSmooth HD Graphics
📊 Productivity
(245)
free
20
iAnalyzer
iAnalyzer
iAnalyzer
by 平 陈
Free

This professional audio analysis software uses FFT to examine sound signals on iOS devices. It offers real-time spectrum analysis, precise peak frequency computation, and a unique instrument tuner function. Ideal for musicians and sound engineers seeking detailed audio insights.

Real-time FFT spectrum analysisOctave and 1/3 Octave displayHigh precision peak frequency computation
🎵 Music
(53)
free with in-app purchases