Best Fft Wave Apps

195+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated June 2026

With an average user rating of 4.4β˜…, the fft wave category is one of the App Store's strongest. Browse all 195+ apps we track, sorted so the most loved ones surface first.

Top Picks for Fft Wave

FFTWave#1

FFTWave by Eisaku Nozu

Editor's Choice
πŸ”§ Utilities
4.3(15 ratings)
Free
FFTWave screenshot 1

This app visualizes sound waves and spectra in real-time using your device's microphone, allowing you to analyze frequency characteristics and detect peaks. With features like pinch zoom and peak hold, it helps with sound adjustments and howling analysis, giving you a powerful tool to fine-tune your audio.

Audio / Spectrum Analyzer#2

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Strong Contender
🎡 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

  • πŸ‘ Customizable features
  • βš™οΈ Accurate measurements
  • πŸš€ Helpful for troubleshooting
  • πŸ’‘ Useful for ghost hunting

Room to Improve

  • πŸ› Crashes and freezes
  • πŸ”‹ High battery and CPU usage
  • 🚫 Inappropriate ads/content
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

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.

What We Love

  • πŸš€ Excellent audio analysis tool
  • πŸ‘ Clean and intuitive interface
  • πŸ’‘ Customizable frequency range
  • πŸ” Accurate real-time spectrum visualization

Room to Improve

  • πŸ› Compatibility issues with newer iOS versions
  • πŸ” Constant prompts to upgrade to Pro version
  • πŸ”Œ High battery consumption

More Fft Wave apps to explore

4
Loughborough Wave Lab
Loughborough Wave Lab
Loughborough Wave Lab
Unlock your EM understanding!
Free

This educational learning app helps students understand electromagnetic wave concepts in an engaging way, featuring interactive simulations, virtual experiments, and a customizable mode. Educators and students can explore and visualize electromagnetic phenomena, and even create and share their own custom simulations.

πŸ“š Education
(13)
5
SpectrumView
SpectrumView
SpectrumView
by Oxford Wave Research Ltd.
Free

Visualize frequencies in real-time with SpectrumView, an audio companion for iOS devices. Measure tones, analyze sounds, record audio, and access various tools for detailed frequency analysis, all in one app. Explore SpectrumView today for a new level of audio visualization and manipulation.

πŸ“š Education
(70)
6
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)
7
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!

πŸ”§ Utilities
(32)
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 Oscilloscope
Sound Oscilloscope
Sound Oscilloscope
Sound Wave and Spectrum Viewer
Free

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.

πŸ”§ Utilities
(24)
10
Spectrolite
Spectrolite
Spectrolite
Smooth real-time spectrograms
Free

This application visualizes sound as real-time spectrograms, allowing users to explore and analyze audio signals in detail with intuitive touch controls. With optional in-app purchases, it can also be upgraded into a powerful audio measurement tool for precise frequency, pitch, amplitude, and duration analysis.

πŸ”§ Utilities
(51)
11
sine wave generator
sine wave generator
sine wave generator
by Yuji Yanase
Free

Generate a sine wave with this app, choosing from three modes: Touch, where wave frequency and volume are calculated from screen touches; DTMF, for generating tone signals; and Multi, for custom tone signals with default C/E/G settings. Try it now and create your own sine waves!

πŸ”§ Utilities
(34)
12
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
Noise & sound level decibel
$29.99

A sound level measuring app that provides real-time decibel readings, identifies noise levels in the environment, and offers features for monitoring and managing sound levels. Download now to protect your hearing and maintain a healthy environment around you.

πŸ”§ Utilities
(858)
13
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Audio Tone & Sound Analyzer
Free
πŸ”§ Utilities
(3)
14
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!

πŸ”§ Utilities
(2.1K)
15
N-Signal / FFT Sound Analyzer
N-Signal / FFT Sound Analyzer
N-Signal / FFT Sound Analyzer
Audio Spectrum Analyzer
Free
πŸ”§ Utilities
(0)
16
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.

πŸ”§ Utilities
(97)
17
FFT Plot
FFT Plot
FFT Plot
Sound Frequency Analyzer RTA
$9.99

Powerful real-time audio analysis app designed for musicians and sound enthusiasts. Features include customizable FFT size, peak frequency detection, various window functions, and adjustable scales for precise audio measurement and visualization. Ideal for room and speaker tuning. Fine-tune sound with FFT Plot today!

🎡 Music
(87)
18
Clear Wave Β° Water Eject
Clear Wave Β° Water Eject
Clear Wave Β° Water Eject
Tone generator, decibel meter
Free

Create pure wave tones, test speakers, and measure ambient noise levels with the Clear Wave App. Customize volume, frequency, and waveform in real-time. Upgrade for unlimited access and an ad-free experience.

🎡 Music
(226)
19
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.

πŸ“Š Productivity
(8)
20
MintFFT
MintFFT
MintFFT
Audio spectrum analyzer
Free
🎡 Music
(0)