Best Audio Analysis App

227+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

Audio / Spectrum Analyzer is the household name in audio analysis app, but it's far from the only option. We track 227+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Audio Analysis App

Audio / Spectrum Analyzer#1

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Editor's Choice
🎵 Music
4.5😐(129 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
MicSwap: Microphone Recording#2

MicSwap: Microphone Recording by Future Moments LLC

Audio Recorder, Sound Studio
Strong Contender
🎵 Music
4.5😐(6.8K ratings)
FreeIn-App Purchases
MicSwap: Microphone Recording screenshot 1
MicSwap: Microphone Recording screenshot 2
MicSwap: Microphone Recording screenshot 3
MicSwap: Microphone Recording screenshot 4
MicSwap: Microphone Recording screenshot 5
MicSwap: Microphone Recording screenshot 6

A mobile recording studio app for music, podcasting, and more. Record, import audio, swap mics for different sounds, edit, share, and store recordings. Transform your device into a microphone and use it with external speakers. Check out our 'Audio Recording and Mastering Bundle' for premium features.

What We Love

  • 👍 Great customer service
  • 🎤 Excellent microphone emulation
  • 🎶 Useful for singing and recording
  • 💡 Ability to try different microphones

Room to Improve

  • 🐛 App crashes and bugs
  • 💰 Paywall for full features
  • 🔇 Poor sound quality
RTA Audio#3

RTA Audio by New Ball s.r.o.

Worth Considering
🎵 Music
3.6(31 ratings)
FreeIn-App Purchases
RTA Audio screenshot 1
RTA Audio screenshot 2
RTA Audio screenshot 3
RTA Audio screenshot 4
RTA Audio screenshot 5

This application provides a real-time audio analyzer with recording capabilities and a visualizer module for exporting results, allowing users to analyze and process audio inputs using Fast Fourier Transform. With its various features and tools, users can record, visualize, and export audio data in a PDF document, making it easy to share or archive analysis results.

More Audio Analysis App apps to explore

4
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)
5
Oscilyzer
Oscilyzer
Oscilyzer
Audio analyzer and generator
Free

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.

📊 Productivity
(8)
6
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)
7
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)
8
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)
9
NaturalReader - Text To Speech
NaturalReader - Text To Speech
NaturalReader - Text To Speech
#1 Popular TTS APP
Free

NaturalReader is a text-to-speech application that converts written text into spoken words, making it ideal for hands-free listening and easy comprehension. With NaturalReader, users can listen to text from various sources such as websites, documents, and emails, enhancing accessibility and convenience. Experience effortless listening and transform your text into speech today!

📊 Productivity
(8.5K)
10
Voice Recorder : Audio Memos
Voice Recorder : Audio Memos
Voice Recorder : Audio Memos
Audio Record, Memo, Transcribe
Free

Capture your thoughts on the go with this voice recorder app. Easily record important memos, lectures, meetings, and more with just a tap. Stay organized and never forget a detail - download now!

🔧 Utilities
(2.8K)
11
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)
12
Apple Podcasts
Apple Podcasts
Apple Podcasts
Audio that informs & inspires
Free

Discover a revolutionary audio app that revolutionizes how you consume content with its vast library of informative and entertaining podcasts. Immerse yourself in a world of knowledge and entertainment by downloading the app today!

🎬 Entertainment
(2.1M)
13
MOTIV Audio
MOTIV Audio
MOTIV Audio
High-definition recording
Free

A high-definition recording app that offers crisp audio capture and editing capabilities, including uncompressed WAV recording, advanced editing tools, and compatibility with Shure MOTIV microphones for enhanced control and customization. Elevate your audio recording experience with precision and clarity.

🎵 Music
(3.3K)
14
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Sound frequency, decibel meter
$3.99

An advanced real-time audio analysis app with features like Octave Band Real-Time Analyzer, FFT Plot, and Multispectral Harmonic Analyzer. Ideal for room and speaker tuning, this app provides detailed audio measurement and visualization. Contact for more information at lspappscare@gmail.com.

📊 Productivity
(245)
15
Audio Editor: Recording Studio
Audio Editor: Recording Studio
Audio Editor: Recording Studio
Mp3 Music Cutter & Editor App
Free

Easily record, edit, and mix music tracks with precision using this advanced audio editing app. Perfect for musicians, podcasters, and anyone looking to create high-quality audio content. Try it now to unleash your creativity!

🔧 Utilities
(12K)
16
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)
17
Voice Recorder — Audio Memos
Voice Recorder — Audio Memos
Voice Recorder — Audio Memos
Transcribe Sound to Text Notes
Free

Record all your incoming and outgoing calls effortlessly with our app. Save and manage your recorded conversations with just a few taps. Never miss an important detail again.

💼 Business
(3.6K)
18
Awesome Voice Recorder
Awesome Voice Recorder
Awesome Voice Recorder
MP3/WAV/M4A HD Audio recording
Free

Record high-quality audio in MP3, WAV, or M4A formats with this powerful voice recording app. Capture crisp and clear sound for all your needs, whether for meetings, lectures, or personal memos. Download now to start recording with ease.

💼 Business
(2.1K)
19
Rev: Record & Transcribe
Rev: Record & Transcribe
Rev: Record & Transcribe
Simple Workflow, Accurate Text
Free

Record, edit, and share your music with ease using this powerful application. Capture your creativity on the go, mix tracks, add effects, and collaborate with other musicians seamlessly. Unleash your musical potential today!

📊 Productivity
(4.1K)
20
Peech: Text to Speech Reader
Peech: Text to Speech Reader
Peech: Text to Speech Reader
Read Aloud Books, PDFs, Docs
Free

Transform any text, PDF, or web article into an audiobook with Peech. Enjoy listening to articles, Twitter threads, PDFs, and more in multiple languages. Upgrade to Peech Premium for unlimited access to all features for a seamless reading and listening experience.

📊 Productivity
(7K)