Best Audio Spectrum Apps

214+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated July 2026

Out of 214+ audio spectrum apps 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.

Top Picks for Audio Spectrum

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
VivuVideo Maker & Editor#2

VivuVideo Maker & Editor by Cao Hoang

Video maker with song & photo
Strong Contender
📷 Photo & Video
4.4(122 ratings)
FreeAds
VivuVideo Maker & Editor screenshot 1
VivuVideo Maker & Editor screenshot 2
VivuVideo Maker & Editor screenshot 3
VivuVideo Maker & Editor screenshot 4
VivuVideo Maker & Editor screenshot 5

Create engaging videos from your photos and music with extensive customization options. Add various effects like falling objects, audio spectrums, and beat synchronization to make your videos stand out. Share your creations on social media platforms.

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 Spectrum 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
Music Visualizer - Vibely
Music Visualizer - Vibely
Music Visualizer - Vibely
Easy Audio Visualization Maker
Free

Easily create eye-catching music videos for social media platforms like TikTok, Instagram Reels, and YouTube Shorts. Import audio, select from various visualizers, add text and images, and apply reactive effects that sync with the music. Export in high resolution and share directly.

Animated music video creation12 reactive visualizersCustomizable text and images
🎵 Music
(608)
free with in-app purchases
6
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
7
Spectra - Music Visualizer
Spectra - Music Visualizer
Spectra - Music Visualizer
Visualize Audio
$1.99

Experience music visually with real-time audio spectrum analysis. Customize backgrounds, logos, and visualizer elements to create stunning animations. Export your creations in high resolution for sharing.

Real-time 60fps audio visualizationVideo export up to 4k 60fpsCustomizable background images and presets
🎵 Music
(1.4K)
paid
8
Spectrum - Music Visualizer
Spectrum - Music Visualizer
Spectrum - Music Visualizer
Audio Visualizer
Free

Visualize your music with a wide array of dynamic effects. Choose from your device's music library or use your microphone to create stunning audio-reactive visuals. Unlock all effects and remove ads with a premium upgrade.

Music library integrationMicrophone inputOver 50 visual effects
🔧 Utilities
(151)
freemium
9
Trapp - Music Visualizer
Trapp - Music Visualizer
Trapp - Music Visualizer
Create Music Visualization
Free

Create dynamic music visualizations with customizable backgrounds, shapes, particles, and sound bars. Sync with your music library and record your creations to share.

Customizable backgrounds and colorsCustomizable Trapp shapes, sizes, and colorsCustomizable particle effects
🎵 Music
(3.9K)
free with in-app purchases
10
Sound Spectrum Analysis
Sound Spectrum Analysis
Sound Spectrum Analysis
Audio Frequency Analyzer (RTA)
Free

Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.

Real-time sound spectrum analysisFast Fourier Transform (FFT) with adjustable sizeLinear and logarithmic frequency/amplitude scales
🔧 Utilities
(41)
free with in-app purchases
11
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
12
Music Visualizer - Spectrum FX
Music Visualizer - Spectrum FX
Music Visualizer - Spectrum FX
Audio Clip Visualization Maker
Free

Create dynamic visualizers for your audio clips. Load songs from files, play your music, and arrange stunning visual effects. Upgrade to PRO for recording, saving presets, and aspect ratio adjustments.

Visualize audio clipsLoad songs from filesArrange visual effects
🎵 Music
(151)
freemium
13
SpectrumView
SpectrumView
SpectrumView
by Oxford Wave Research Ltd.
Free

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.

Real-time spectrogram and spectrum analyzerConfigurable sample rate and frequency resolutionRecord, pause, and playback audio files
📚 Education
(70)
free with in-app purchases
14
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
15
Music Visualizer DJ - Vythm VJ
Music Visualizer DJ - Vythm VJ
Music Visualizer DJ - Vythm VJ
Visualize Audio, Sound Mastery
Free

Create stunning visual artworks synchronized with your music. Choose from various visualization modes, backgrounds, and apply real-time image effects. Record and share your immersive visual experiences.

Music synchronizationMultiple visualization modesCustomizable backgrounds and effects
🎵 Music
(671)
freemium
16
Audio Spectrum Viewer
Audio Spectrum Viewer
Audio Spectrum Viewer
Audio Frequency Analysis Tool
$0.99

Visualize the frequency content of your live audio environment with a dynamic waterfall spectrogram. Analyze sound systems, create audio fingerprints of environmental sounds, and save spectrograms with custom captions. Capture audio in the background for simultaneous recording and photography.

Live audio frequency visualizationWaterfall/spectrogram displaySpeaker and sound system analysis
🔧 Utilities
(4)
paid
17
My Spectrum
My Spectrum
My Spectrum
by Charter Communications Operating, LLC
Free

Manage all your services in one place. Pay bills, track data usage, troubleshoot internet, and explore TV options. Get notifications and support without appointments.

Pay bills and enroll in Auto PayManage mobile data usage and plansTroubleshoot WiFi and internet connections
🔧 Utilities
(3.4M)
free with in-app purchases
18
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
19
Audio Spectrum Monitor
Audio Spectrum Monitor
Audio Spectrum Monitor
by Tadao Yamaoka
$0.99
🎵 Music
(0)
20
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

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