Best Oscilloscope Audio Apps

222+ iOS apps curated and reviewed

4.3 avg rating
12 free apps
Updated June 2026

Every iPhone needs a few good oscilloscope audio apps. We benchmark 222+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Oscilloscope Audio

Oscilloscope#1

Oscilloscope by ONYX 3

Test audio and analog signals.
Editor's Choice
🎵 Music
4.3(17 ratings)
$19.99
Oscilloscope screenshot 1
Oscilloscope screenshot 2
Oscilloscope screenshot 3
Oscilloscope screenshot 4
Oscilloscope screenshot 5

Analyze audio and analog signals with a portable oscilloscope. Features include waveform display, triggering controls, and a built-in signal generator for various waveforms. Supports external input for more advanced measurements.

AudioTools, dB, Sound & Audio#2

AudioTools, dB, Sound & Audio by Andrew Smith

RTA, Acoustics Measurement SPL
Strong Contender
🎵 Music
4.8😐(5K ratings)
$19.99In-App Purchases
#22in Music
AudioTools, dB, Sound & Audio screenshot 1
AudioTools, dB, Sound & Audio screenshot 2
AudioTools, dB, Sound & Audio screenshot 3
AudioTools, dB, Sound & Audio screenshot 4

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.

What We Love

  • 👍 Useful audio tools
  • 🚀 Regularly updated
  • 💡 Industry-standard features
  • 👍 Accurate measurements

Room to Improve

  • 🔒 Many features locked behind paywall
  • 🐛 Buggy iOS port
  • 🔒 Expensive in-app purchases
iRecorder Pro Audio Recorder#3

iRecorder Pro Audio Recorder by SIMPLETOUCH LLC

Voice & Audio Memos Made Easy
Worth Considering
💼 Business
4.7😊(2.1K ratings)
$3.99
iRecorder Pro Audio Recorder screenshot 1
iRecorder Pro Audio Recorder screenshot 2
iRecorder Pro Audio Recorder screenshot 3
iRecorder Pro Audio Recorder screenshot 4
iRecorder Pro Audio Recorder screenshot 5

This app provides a simple and efficient way to record audio on your iPhone and iPad. It offers high-quality recordings, easy management of files, and convenient Wi-Fi transfer to your computer. Ideal for capturing thoughts, lectures, or any sound on the go.

What We Love

  • 🚀 Easy to use
  • 👍 Simple interface
  • 🎉 Good audio quality
  • 📤 Convenient file sharing

Room to Improve

  • 🐛 Recordings stop unexpectedly
  • ⚠️ Lack of features (no pause, rewind, etc.)
  • 🔇 Low playback volume

More Oscilloscope Audio apps to explore

4
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
5
Oscilyzer
Oscilyzer
Oscilyzer
Audio analyzer and generator
Free

Analyze and generate audio signals with this app, featuring an oscilloscope for real-time waveform visualization and a spectrum analyzer for frequency analysis. It also includes a synthesizer for creating AM/FM modulated audio.

Real-time oscilloscope with triggeringSpectrum analyzer with Metal accelerationAM/FM synthesizer with waveform generation
📊 Productivity
(8)
free
6
pocketOscilloscope
pocketOscilloscope
pocketOscilloscope
Portable Waveform Viewer
$0.99

Visualize audio waveforms on your Mac, PC, or iOS device. This tool offers detailed controls for RMS/Peak metering, voltage, gain, and visual elements like line thickness and rotation. Customize channel colors for a personalized audio analysis experience.

Stereo capable oscilloscopeRMS/Peak meterControllable Vertical/Horizontal Offset
🎵 Music
(5)
paid
7
Audio Kit
Audio Kit
Audio Kit
Audio Testing App
$2.99

This app provides four essential audio analysis tools: a real-time spectrum analyzer, a waveform scope, an SPL meter, and a signal generator. It helps audio professionals visualize and measure sound characteristics with detailed controls and calibration options.

Real-time Spectrum AnalyzerWaveform ScopeSPL Meter with A-weighting
🎵 Music
(6)
free with in-app purchases
8
Sound Analysis Oscilloscope
Sound Analysis Oscilloscope
Sound Analysis Oscilloscope
audio signal oscilloscope
$2.99

This utility displays audio signal properties like frequency, waveform, and wavelength. It also identifies music notes corresponding to detected frequencies and includes a chromatic tuner. The app offers four frequency range modes and can be paused with a single tap.

Microphone inputWaveform and wavelength displayVolume indicator
🔧 Utilities
(3)
paid
9
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
10
ByeNoise - Video Audio Editor
ByeNoise - Video Audio Editor
ByeNoise - Video Audio Editor
Noise Reducer, Audio Recorder
Free

This app cleans unwanted background noise from audio and video files using AI. It also offers editing tools like trimming, volume boosting, voice changing, and subtitle embedding. An integrated recorder captures crystal-clear audio with noise reduction.

AI noise reduction for audio/videoTrim, cut, and edit audioVolume booster and equalizer
📷 Photo & Video
(2K)
free with in-app purchases
11
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
12
auSCOPE X
auSCOPE X
auSCOPE X
Smart Audio Oscilloscope AUv3
$5.99

Visualize audio waveforms in real-time with this powerful oscilloscope app. Analyze stereo signals with high resolution, precise triggering, and intuitive controls. Works as a standalone app or AUv3 extension for various audio hosts.

Two Channel Audio OscilloscopePixel-accurate, frame-accurate, sample-accurate tracesSophisticated Trigger System with 3 modes
🎵 Music
(9)
paid
13
Voice Recorder Lite: Record HD
Voice Recorder Lite: Record HD
Voice Recorder Lite: Record HD
HD Audio Recording & Playback
Free

Record, edit, and share high-quality audio with this versatile app. Capture meetings, lectures, or music with advanced noise reduction and multiple format options. Easily trim recordings and upload them to cloud services or share via email and AirDrop.

HD audio recording with noise reductionMultiple audio quality and format optionsAudio trimming and editing
💼 Business
(73K)
free with in-app purchases
14
Voice Recorder - Audio Record
Voice Recorder - Audio Record
Voice Recorder - Audio Record
HD Audio Recording & Playback
$5.99
$6.99 | 14% OFF

Record, edit, and share high-quality audio for meetings, lectures, and more. Features include noise reduction, background recording, and cloud syncing. Easily manage and listen to your recordings with multiple playback options.

HD audio recordingNoise reduction technologyBackground recording
💼 Business
(17K)
free
15
Voice Recorder — Audio Memos
Voice Recorder — Audio Memos
Voice Recorder — Audio Memos
Transcribe Sound to Text Notes
Free

Record, edit, and convert high-quality audio. This app transforms spoken words into text notes, making it easy to capture ideas, interviews, or memories. Enjoy unlimited recordings and share them across devices.

High-quality audio recordingAudio transcription to textEdit audio files
💼 Business
(3.7K)
freemium
16
Audio Recorder: Play & Cleaner
Audio Recorder: Play & Cleaner
Audio Recorder: Play & Cleaner
Audio Recorder, HD Recording
Free

Capture, edit, and schedule audio with this comprehensive recording studio. Features include unlimited recording length, precise trimming, silence detection, and cloud storage options. Schedule reminders for recordings and playback to stay organized.

Unlimited recording lengthAuto-resume after interruptionsSilence detection with auto-pause
💼 Business
(1.4K)
free with in-app purchases
17
Voice recorder, audio recorder
Voice recorder, audio recorder
Voice recorder, audio recorder
by Hong Nguyen
Free

Record high-quality audio with this intuitive application. It offers HD recording, easy playback, and sharing options for your voice memos. The app features a simple interface for instant starts and background recording capabilities.

HD Audio recordingSimple user interfaceInstant start
📊 Productivity
(2.9K)
free with in-app purchases
18
Dictaphone - Audio Recorder
Dictaphone - Audio Recorder
Dictaphone - Audio Recorder
Voice Dictation - Note Taker
Free

Record memos, notes, lectures, and interviews with this high-quality audio recorder. Dictate notes hands-free and easily share recordings. Offers advanced editing and cloud syncing options.

High-quality audio recordingMP3 and WAV formatsUnlimited recording length
💼 Business
(4.5K)
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
Sound Oscilloscope
Sound Oscilloscope
Sound Oscilloscope
Sound Wave and Spectrum Viewer
Free

Visualize sound waves and analyze their frequency spectrum. This utility displays the waveform of various sounds, from your voice to musical instruments, and reveals their overtone structure. Explore the sonic characteristics of your environment with this straightforward tool.

Shows sound waveformShows sound spectrumShows sound power level
🔧 Utilities
(24)
free