Best Sound Analysis Oscilloscope Apps

221+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our sound analysis oscilloscope list covers 221+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Sound Analysis Oscilloscope

Oscilyzer#1

Oscilyzer by Stefan Robl

Audio analyzer and generator
Editor's Choice
📊 Productivity
4.9(8 ratings)
Free
Oscilyzer screenshot 1
Oscilyzer screenshot 2
Oscilyzer screenshot 3

This audio analysis and generation tool combines an oscilloscope, spectrum analyzer, and synthesizer, allowing users to visualize and manipulate audio signals in real-time. With various operating modes and settings, users can analyze and generate audio frequencies, and even transfer dominant frequencies between modes to create and customize sounds.

Audio / Spectrum Analyzer#2

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Strong Contender
🎵 Music
4.9😐(72 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

  • 👍 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
Sound Oscilloscope#3

Sound Oscilloscope by Shinichi Takemura

Sound Wave and Spectrum Viewer
Worth Considering
🔧 Utilities
3.3(24 ratings)
Free
Sound Oscilloscope screenshot 1
Sound Oscilloscope screenshot 2
Sound Oscilloscope screenshot 3
Sound Oscilloscope screenshot 4
Sound Oscilloscope screenshot 5

This sound wave and spectrum viewer allows you to analyze and visualize the waveform and overtone structure of various sounds, from voices and musical instruments to environmental noises. With its sensitive algorithm, you can observe and understand the characteristics of different sounds in a range of 30 Hz to 4000 Hz.

More Sound Analysis Oscilloscope 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

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.

🔧 Utilities
(156K)
5
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.

🎵 Music
(3K)
6
SignalScope X
SignalScope X
SignalScope X
Dynamic Signal Analysis Tools
Free

An advanced signal analysis application offering tools for acoustics, audio, electronics, and more. Analyze signals, calibrate devices, and access a range of measurement tools. Subscribe for basic, advanced, or professional features compatible with iPhone, iPad, and Mac. Subscription details and privacy policy available on the website.

🔧 Utilities
(20)
7
Decibel - sound level meter
Decibel - sound level meter
Decibel - sound level meter
Spectrum frequency analyzer
Free

Measure sound pressure and spectrum variations with the Decibel app. Compare recordings to a reference chart, save your history, and enjoy a user-friendly interface. Subscribe for access to premium features and unlimited recordings.

🔧 Utilities
(4.5K)
8
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

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!

🎵 Music
(236)
9
Sound Analysis Oscilloscope
Sound Analysis Oscilloscope
Sound Analysis Oscilloscope
audio signal oscilloscope
$2.99

This audio signal oscilloscope app displays key signal properties, including frequency, waveform, wavelength, and music notes, and features a microphone input, volume indicator, and chromatic tuner. With its easy-to-use interface and range modes from 6 to 2000 Hz, it's a valuable tool for sound analysis and tuning.

🔧 Utilities
(3)
10
Decibelímetro Ultra
Decibelímetro Ultra
Decibelímetro Ultra
Noise Level Frequency Analyzer
Free

Measure the sound levels around you accurately with our Decibel Meter Ultra app. Stay informed and protect your hearing by monitoring noise levels in real-time. Download now for a quieter and safer environment.

🔧 Utilities
(272)
11
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.

🔧 Utilities
(36K)
12
Sound Spectrum Analysis
Sound Spectrum Analysis
Sound Spectrum Analysis
Audio Frequency Analyzer (RTA)
Free

This application analyzes sound spectra in real-time using a microphone, offering features such as FFT, linear and logarithmic scales, and various window functions. It can be used to measure noise levels, detect peak frequencies, and export data, making it a useful tool for sound analysis and measurement.

🔧 Utilities
(41)
13
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/.

🎵 Music
(128)
14
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!

🎵 Music
(5K)
15
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
AUDIIO - RTA Analyzer
Spectrogram, RTA, dB Analyzer
Free

This real-time audio analyzer app visualizes sound in various graphs, including RTA, FFT, and spectrogram, with customizable scales and data displays. Download the app to analyze and view audio data in a sleek and functional interface.

🎵 Music
(84)
16
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Try frequency generator tools
Free

This sound wave generator app offers a range of tools for producing and testing different frequencies, from tone generation and musical tuning to sound effects and analysis. With its user-friendly interface and high-quality sound generation capabilities, you can experiment with sound, test your hearing, create music, and more - try it out today!

🔧 Utilities
(32)
17
Frequency Analyzer
Frequency Analyzer
Frequency Analyzer
Audio Spectrum, Spectroid, dB
Free

Transform your device into a professional-grade audio analysis suite with industry-leading processing, precision calibration tools, and comprehensive visualization capabilities. Download now and unlock the full spectrum of acoustic measurement capabilities for applications such as acoustic measurement, audio engineering, environmental noise consulting, and more.

🔧 Utilities
(97)
18
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Track noise around you.
Free

Track environmental noise levels with an easy-to-use decibel meter app that provides detailed analysis through dB and AF readings. Share readings, utilize polling, and explore various features for sound monitoring. Contact info@ashiers.com for more information.

📊 Productivity
(48K)
19
Audio Function Generator
Audio Function Generator
Audio Function Generator
Frequency and Signal Generator
Free

Discover an exceptional Function Generator App with a wide array of features for generating test tones, frequency sweeps, volume sweeps, and more. From playing music tones to custom presets and advanced settings available in the PRO version, this app offers an intuitive and powerful audio experience. Visit the tutorial page at www.ee-toolkit.com/audio-function-generator and explore its capabilities today!

🔧 Utilities
(2.1K)
20
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Frequency Spectrum Analyzer
$69.99

Transform your iOS device into a professional sound level meter with our leading noise meter app. Measure sound pressure levels accurately and protect your hearing, whether you're an audio expert or simply curious about your surroundings. See noise levels on your Apple Watch, export data to the Health app, and enjoy features like frequency analysis and dosimeter readings.

🔧 Utilities
(6.9K)