Best Audio Spectrum Viewer Apps

250+ iOS apps curated and reviewed

3.8 avg rating
15 free apps
Updated August 2026

With an average user rating of 3.8★, the audio spectrum viewer category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Audio Spectrum Viewer Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SpectrumViewSpectrumViewFree3.1★ (74)NoYesAug 2026
2Audio Spectrum ViewerAudio Spectrum Viewer$0.994.3★ (4)NoNoJun 2026
3Audio / Spectrum AnalyzerAudio / Spectrum AnalyzerFree was $10.994.6★ (1K)YesYesAug 2026
4Audio AnalystAudio AnalystFree5.0★ (1)NoYesAug 2026
5My SpectrumMy SpectrumFree4.8★ (3.4M)NoNoAug 2026
6Audio Spectrum Analyzer dB RTAAudio Spectrum Analyzer dB RTAFree4.5★ (3K)NoYesAug 2026
7Audio Spectrum Analyzer ProAudio Spectrum Analyzer ProFree4.4★ (238)NoYesAug 2026
8Mic Spectrum AnalyzerMic Spectrum AnalyzerFree3.0★ (18)NoNoJul 2026

Top Picks for Audio Spectrum Viewer

SpectrumView#1

SpectrumView by Oxford Wave Research Ltd.

Editor's Choice
📚 Education
3.1😐(74 ratings)
FreeIn-App Purchases
SpectrumView screenshot 1
SpectrumView screenshot 2
SpectrumView screenshot 3
SpectrumView screenshot 4
SpectrumView screenshot 5
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
Audio Spectrum Viewer#2

Audio Spectrum Viewer by Steve Glenner

Audio Frequency Analysis Tool
Strong Contender
🔧 Utilities
4.3(4 ratings)
$0.99
Audio Spectrum Viewer screenshot 1
Audio Spectrum Viewer screenshot 2
Audio Spectrum Viewer screenshot 3
Audio Spectrum Viewer screenshot 4

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.

Audio / Spectrum Analyzer#3

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Spectrogram)
Worth Considering
🎵 Music
4.6😐(1K 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

More Audio Spectrum Viewer apps to explore

4
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
5
My Spectrum
My Spectrum
My Spectrum
by Charter Communications
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
6
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
7
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
(238)
free with in-app purchases
8
Mic Spectrum Analyzer
Mic Spectrum Analyzer
Mic Spectrum Analyzer
by Adrian Ross
Free

Visualize sound from your phone's microphone with various shapes and effects. Customize sensitivity, choose between dark and light themes, and explore 18 presets, custom shaders, and over 16 different effects for advanced users.

18 predefined presetsLoad custom photosAdjustable sensitivity
🎵 Music
(18)
free
9
Spectre Analyzer for Logic Pro
Spectre Analyzer for Logic Pro
Spectre Analyzer for Logic Pro
Auv3 Plugin for iOS and macOS
Free

Visualize your audio in real-time with high-resolution FFT analysis. This Audio Unit plugin is compatible with various host apps and utilizes the GPU for efficient, CPU-light processing.

Real-time audio visualizationHigh-resolution FFT analysisGPU-accelerated rendering
🎵 Music
(3)
free
10
Audio Spectrum Analyzer
Audio Spectrum Analyzer
Audio Spectrum Analyzer
by Black Cat Systems
$3.99

Transform your iOS device into a powerful audio spectrum analyzer. Visualize frequencies up to 20 kHz with customizable display options including frequency span, FFT size, and logarithmic views. Enhance analysis with filtering, peak hold, and adjustable decay rates.

Frequency analysis up to 20 kHzAdjustable frequency span and FFT sizeLogarithmic frequency display
🔧 Utilities
(52)
paid
11
BMA Spectrum Analyzer
BMA Spectrum Analyzer
BMA Spectrum Analyzer
Real time spectrum analyzer
Free
🎵 Music
(0)
12
Audio Spectrum Monitor
Audio Spectrum Monitor
Audio Spectrum Monitor
by Tadao Yamaoka
$0.99

Visualize audio input in real-time with a music scale display. Adjust the view with drag and pinch gestures, and utilize the built-in tuner and recording features. Analyze pitch and save your audio.

Real-time spectrum displayMusic scale horizontal axisPitch detection with visual indicator
🎵 Music
(0)
paid
13
Spectrum AUv3 FFT Visualizer
Spectrum AUv3 FFT Visualizer
Spectrum AUv3 FFT Visualizer
Real-time FFT Analyzer
$0.99
$4.99 | 80% OFF
🎵 Music
(0)
14
MintFFT
MintFFT
MintFFT
Audio spectrum analyzer
Free

This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.

Real-time FFT spectrum with dB scalePeak hold and multiple window functionsPinch to zoom and swipe to pan
🎵 Music
(4)
free
15
Spectrum Lab - Audio Analyzer
Spectrum Lab - Audio Analyzer
Spectrum Lab - Audio Analyzer
Frequency Spectrum Analyzer
Free
🎵 Music
(0)
16
Spectrum Analyzer+ FFT
Spectrum Analyzer+ FFT
Spectrum Analyzer+ FFT
Audio Frequency Viewer
Free

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

Real-time FFT audio spectrum visualizationFrequency range 20 Hz to 20 kHzPeak frequency detection
🔧 Utilities
(3)
ad-supported
17
Spectrum Analyzer: Audio RTA
Spectrum Analyzer: Audio RTA
Spectrum Analyzer: Audio RTA
Frequency, FFT & Spectrogram
Free

Visualize sound frequencies, waveforms, and spectral activity in real-time using your device's microphone. Analyze audio for tuning, testing, music, or exploring ambient sounds with clear visual representations.

Real-time audio spectrum analysisFFT frequency analysisLive spectrogram visualization
🔧 Utilities
(1)
free with in-app purchases
18
Micboard Spectrum
Micboard Spectrum
Micboard Spectrum
Pocket RF Scanner
Free
🔧 Utilities
(0)
19
Audio Spectrum Pro: Analyzer
Audio Spectrum Pro: Analyzer
Audio Spectrum Pro: Analyzer
Spectrum, tuner, RT60 & more
Free
🎵 Music
(0)
20
FFT Spectrum Audio Analyzer
FFT Spectrum Audio Analyzer
FFT Spectrum Audio Analyzer
Real-Time FFT and dB Meter
$6.99
🎵 Music
(0)

FAQ about Audio Spectrum Viewer

What are the best audio spectrum viewer apps for iPhone?
SpectrumView tops our audio spectrum viewer apps ranking as of August 2026, with a 3.1-star average from 74 App Store ratings, and it's free to download.
Yes — 15 of the top audio spectrum viewer apps we rank are free to download, including SpectrumView and Audio / Spectrum Analyzer.
SpectrumView has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ audio spectrum viewer apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
SpectrumView visualizes audio frequencies in real-time using a spectrogram and spectrum analyzer. It allows users to see audible and inaudible frequencies, measure tones, analyze speech, identify sounds, and calibrate instruments.
Key features include real-time spectrogram and spectrum analyzer views, configurable sample rates and frequency resolution, audio recording and playback, snapshot generation, web file transfer, and a tap data cursor for precise measurements.