Best Fftwave Apps

211+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

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.

Top Picks for Fftwave

FFTWave#1

FFTWave by Eisaku Nozu

Editor's Choice
🔧 Utilities
4.3(15 ratings)
Free
FFTWave screenshot 1

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.

Audio / Spectrum Analyzer#2

Audio / Spectrum Analyzer by Loop-Sessions.LLC.

RTA (FFT / Octave Analysis)
Strong Contender
🎵 Music
4.5😐(129 ratings)
FreeAdsIn-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 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.

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
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

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.

What We Love

  • 🚀 Excellent audio analysis tool
  • 👍 Clean and intuitive interface
  • 💡 Customizable frequency range
  • 🔍 Accurate real-time spectrum visualization

Room to Improve

  • 🐛 Compatibility issues with newer iOS versions
  • 🔁 Constant prompts to upgrade to Pro version
  • 🔌 High battery consumption

More Fftwave apps to explore

4
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Spectrum Analyzer: Spectrogram
Audio frequency visualizer
Free

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.

Sound level meterMultichannel harmonic analysisAdjustable graphics
🎵 Music
(192)
freemium
5
SpectrumView
SpectrumView
SpectrumView
by Oxford Wave Research Ltd.
Free

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.

Real-time spectrogram and spectrum analyzerConfigurable sample rate and frequency resolutionRecord, pause, and playback audio files
📚 Education
(70)
free with in-app purchases
6
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

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.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(156K)
free with in-app purchases
7
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB d.o.o.
Free

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.

Sound level measurementNoise dosimetryHearing hazard information
🔧 Utilities
(16K)
free
8
Voice recorder - Voz
Voice recorder - Voz
Voice recorder - Voz
Voice recorder
Free

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.

HD Audio recorderHigh quality voice recordingRecord songs, lectures, speeches
🔧 Utilities
(26K)
free with in-app purchases
9
myPhonak
myPhonak
myPhonak
by Sonova AG
Free

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.

Remote hearing aid controlPersonalized sound adjustmentsPre-defined listening programs
🏥 Medical
(117K)
free
10
Oticon Companion
Oticon Companion
Oticon Companion
Hearing aid remote control
Free

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.

Adjust volume individually or togetherSwitch hearing aid programsCheck hearing aid battery levels
🏥 Medical
(56K)
free with in-app purchases
11
Shokz
Shokz
Shokz
Be Open
Free

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.

Customizable sound modesEqualizer settingsMultipoint Bluetooth pairing
🎵 Music
(24K)
free with in-app purchases
12
Voloco: Vocal Recording Studio
Voloco: Vocal Recording Studio
Voloco: Vocal Recording Studio
Sing & Rap w/ Auto Voice Tune
Free

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.

Auto voice tune and pitch correctionBackground noise removal50+ vocal effects and presets
🎵 Music
(83K)
free with in-app purchases
13
Philips HearLink 2
Philips HearLink 2
Philips HearLink 2
Hearing aid remote control
Free

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

Adjust volumeSwitch hearing programsStream calls and music
🏥 Medical
(34K)
free
14
Sonos S1 Controller
Sonos S1 Controller
Sonos S1 Controller
Control for older products
Free

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.

Control older Sonos productsAdjust volumeGroup rooms
🎵 Music
(820K)
free with in-app purchases
15
Sony | Sound Connect
Sony | Sound Connect
Sony | Sound Connect
former Headphones Connect
Free

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.

Customizable equalizerAdjustable noise cancellationAmbient sound filtering
🔧 Utilities
(54K)
free with in-app purchases
16
Water Eject ~ Speaker Wizard
Water Eject ~ Speaker Wizard
Water Eject ~ Speaker Wizard
#1 Effective Ultra Clear Wave
Free

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.

Tone generationFrequency testingWaveform generation
🎵 Music
(7.5K)
free with in-app purchases
17
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

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.

Octave Band Real Time AnalyzerFFT Plot (Fast Fourier Transform)Sound level meter (dB meter)
🎵 Music
(236)
free with in-app purchases
18
Easy Line Remote
Easy Line Remote
Easy Line Remote
by Sonova AG
Free

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.

Enhanced hearing controlsPersonalization optionsVolume and feature adjustment
🏥 Medical
(16K)
free
19
Microphone - record voice memo
Microphone - record voice memo
Microphone - record voice memo
scene sound effects recorder
Free

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.

Background recordingStereo channel recordingScene simulation
🔧 Utilities
(119)
free with in-app purchases
20
Sennheiser Smart Control
Sennheiser Smart Control
Sennheiser Smart Control
by Sonova Consumer Hearing GmbH
Free

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.

Effortless sound controlPersonalize audio experienceSound Check for individual hearing
🔧 Utilities
(1.5K)
free