Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.
FFTWave by Eisaku Nozu

211+ iOS apps curated and reviewed
Every iPhone needs a few good fftwave apps. We benchmark 211+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.






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.



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.


Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.


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.


This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.


This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.


Easily record high-quality audio, including voice, music, lectures, and meetings. Save recordings to your device's internal storage for playback anytime. Share your audio files through various social networking channels.


This app offers enhanced hearing controls and personalization for your hearing aids. Adjust volume, sound settings, and select programs for different situations. It also provides remote support from your hearing care professional and tracks health data like steps and wearing time.


Control your hearing aids directly from your mobile device. Adjust volume, switch programs, and manage streaming audio. Features like SpeechBooster and HearingFitness™ enhance your listening experience and track progress.


Enhance your audio experience with customizable sound modes and a powerful equalizer. Effortlessly manage multiple Bluetooth devices, update firmware, and control playback. Access detailed information about your headphones and the brand.


This mobile recording studio and audio editor helps users sound professional with intuitive tools. It offers automatic pitch correction, background noise removal, and a variety of effects. Users can record vocals, process existing audio/video, and even extract vocals from songs.


Control your hearing aids directly from your smartphone or smartwatch. Adjust volume, switch programs, and stream audio discreetly. Features vary by hearing aid model.


Manage your older Sonos systems with ease. This app allows you to control volume, group rooms, set alarms, and stream from your favorite services. Enjoy thousands of free stations with Sonos Radio.


Tailor your audio experience with customizable sound settings for compatible Sony headphones and Bluetooth speakers. Adjust equalizer, noise cancellation, and ambient sound levels to suit your preferences and environment. Track listening habits and monitor ear health with this comprehensive audio companion.


Generate pure tones, frequencies, and waveforms to test audio equipment like speakers and headphones. Ideal for professionals and enthusiasts seeking to ensure optimal sound quality through customizable frequencies and noise generation.


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.


Control your hearing aids with enhanced features and personalization options. Adjust volume, sound settings, and track health data. Connect with your hearing care professional remotely for adjustments.


Record high-quality audio with a variety of music and sound effects. Enhance podcasts with echo and scene simulation. Save recordings in multiple formats and share them easily.


Effortlessly control and personalize your Sennheiser headphones and AMBEO Soundbar. Features include tailored audio with Sound Check, location-based sound adaptation with Sound Zones, and easy access to noise cancellation and transparent hearing.