Best Fft Audio Apps

4.6😐(1K ratings)

FreeAdsIn-App Purchases

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
🔒 Security concerns with payment info

RTA Audio by New Ball s.r.o.

Strong Contender

3.6(31 ratings)

FreeIn-App Purchases

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

Audio Spectrum Analyzer Pro by Vlad Polyanskiy

Sound Frequency Analysis

Worth Considering

N-Signal / FFT Sound Analyzer

4.4😐(238 ratings)

FreeIn-App Purchases

Audio Spectrum Analyzer Pro screenshot 1

Audio Spectrum Analyzer Pro screenshot 2

Audio Spectrum Analyzer Pro screenshot 3

Audio Spectrum Analyzer Pro screenshot 4

Audio Spectrum Analyzer Pro screenshot 5

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.

What We Love

👍 Intuitive and easy-to-use interface
💰 Completely free with no ads
🎯 Accurate frequency and spectrum analysis
📊 Multiple visualization modes (FFT, spectrograph, bar display)
🔧 Professional-grade audio measurement tool
🎵 Identifies musical notes and frequencies
⚡ Responsive and real-time analysis
🛠️ Useful for sound engineering and audio setup
📱 Works well on both iPhone and iPad

Room to Improve

💸 Aggressive subscription/paywall nags
🔄 Frequent iOS compatibility issues after updates
📉 Features moved behind paywall in recent updates
🐛 App crashes on startup (especially iOS 16/26)
⚠️ Misleading free trial that requires payment
🔐 Excessive permissions requests (photo access)
🎚️ Limited microphone sensitivity controls
📊 Graph obscured by notch/dynamic island
🔊 Mutes device speaker volume when running
⏱️ Slow performance on some devices

More Fft Audio apps to explore

Audio Spectrum Analyzer

Real-time FFT audio spectrum analysisdB SPL sound pressure level meterDigital frequency analyzer (dBFS)

Visualize sound in real-time with this audio analysis tool. It measures sound pressure levels and analyzes digital frequency levels, offering a reliable reference for sound checks and adjustments in various environments.

Sound Frequency Analyzer RTA

$9.99

This real-time audio analysis app provides precision sound measurement and visualization. It's ideal for detecting sound issues, room tuning, and speaker calibration, offering detailed frequency analysis for musicians and audio professionals.

Real-time audio analysisFrequency detectionAveraging options

Analyze audio with high-resolution frequency and amplitude graphs. Features include a signal generator, cursor readouts, and adjustable graph smoothing. Save and export your analysis results.

High-resolution amplitude vs. frequency graphBuilt-in low-distortion signal generatorAdjustable graph smoothing and decay time

(6)

FFT Spectrum Audio Analyzer

Real-Time FFT and dB Meter

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.

Microphone waveform displaySpectrum analysis via Fourier transformFrequency characteristic checking

SpectralScan Audio Analyzer

(15)

free

Spectrum, RTA & Spectrogram dB

Real-time frequency spectrum visualizationSine sweep measurements for system responseSpectrogram for time-frequency analysis

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

(9)

Spectrum Lab - Audio Analyzer

Frequency Spectrum Analyzer

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

(6)

Real-time spectral analysisHigh-resolution 4096-sample FFTMel-scale frequency mapping

FFT AUv3 Visualizer

by DiscoDSP LLC

$0.99

This real-time spectral analyzer visualizes audio into spectrograms with high precision. It offers advanced features like mel-scale mapping and intelligent color coding to help musicians and audio engineers analyze sound frequencies for mixing, mastering, and sound design.

Audio Spectrum Analyzer dB RTA

(1)

paid

Sound frequency, decibel meter

Octave Band Real-Time AnalyzerFFT Plot - Fast Fourier TransformIntegrated Sound Level Meter (dB-A)

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.

(3K)

Real-time Sound Visualizer

ToneScope

Real-time audio analysisOffline sound signal analysisMultirate FFT processing

This audio analysis tool offers real-time and offline sound signal processing. It utilizes a multirate FFT for high frequency resolution and efficiency on iOS devices. All data processing is done locally, ensuring user privacy.

SoundScope: Audio Toolkit

(4)

free

Professional Audio Analysis

(0)

Sounn VR Audio Analyzer

RTA, FFT & Spectrogram

FNam FFT Spectrogram Analyzer

(0)

Spectrum Analyzer: Audio RTA

Frequency, FFT & Spectrogram

Real-time audio spectrum analysisFFT frequency analysisLive spectrogram visualization

Visualize sound frequencies, waveforms, and spectral activity in real-time using your device's microphone. Analyze audio for tuning, testing, music, or exploring ambient sounds with clear visual representations.

(1)

Tools suite for monitor tuning

KRK Audio Tools

Spectrum RTA for real-time frequency analysisLevel Meter for monitor calibrationEQ Recommendation for room optimization

This application offers a suite of professional tools designed to optimize your studio monitor setup. It includes features for real-time frequency analysis, level calibration, EQ recommendations, and precise monitor alignment for an enhanced listening experience.