Best Fft Plot Apps

Real-time sound spectrum analysisFast Fourier Transform (FFT) with adjustable sizeLinear and logarithmic frequency/amplitude scales

Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.

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Audio Spectrum Analyzer Pro

Sound Frequency Analysis

Octave Band Real Time AnalyzerFFT Plot (Fast Fourier Transform)Sound level meter (dB meter)

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.

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Image FFT

Run 2D FFTs on images

$1.99

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export

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.

(161K)

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

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.

(6)

Audio Spectrum Analyzer dB RTA

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)

Frequency Counter+ Hz FFT

Tuner · RPM · 50/60Hz Meter

Dominant frequency measurement (Hz)Instrument tuning with note and pitch displayMotor RPM analysis

This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.

FFT Spectrum Audio Analyzer

(6)

ad-supported

Real-Time FFT and dB Meter

$6.99

Decibel Meter Sound Detector

Track noise around you.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

📊 Productivity

(54K)

FLO Functional Training

by Colin Pasque

Home and gym workout programsTailored fitness levels (beginner to advanced)Exclusive program library

Enhance strength, mobility, and endurance with tailored workouts for any level. Train at home or the gym with daily routines, progress tracking, and expert guidance. Join a supportive community to achieve sustainable fitness success.

💪 Health & Fitness

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free

First Financial Trust, N.A.

by FIRST FINANCIAL TRUST N A

💰 Finance

FNam FFT Spectrogram Analyzer

This app serves as a comprehensive guide for Final Fantasy Tactics players. It offers detailed information on characters, equipment, maps, jobs, abilities, and monster stats. Easily plan your units and teams, and discover strategies for any version of the game.

Character and team builderEquipment database with filtersDetailed 3D battle maps

🔍 Reference

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FFT Spectrogram Music Player

Fourier Spectogram Player

Spectrum Analyzer+ FFT

Audio Frequency Viewer

Real-time FFT audio spectrum visualizationFrequency range 20 Hz to 20 kHzPeak frequency detection

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

N-Signal / FFT Sound Analyzer

(3)

ad-supported

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.