FFTWave app icon

Apps Like FFTWave for iPhone and iPad

Analyze sound waves and frequencies

Displays sound waveforms and spectra using Fourier transform. Identifies frequency characteristics and detects peaks. Supports pinch zoom gestures for detailed analysis. Assists in sound adjustment and howling prevention.

by Eisaku Nozu★ 4.316 ratingsUtilitiesFreeData updated 2026-09-10

FFTWave screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. bismark bs-spectrum app icon

    bismark bs-spectrum

    bismark LLC

    Real-time audio spectrum analyzer with FFT.

    The app analyzes audio input in real-time using FFT. It displays the frequency spectrum with options for graph scale, FFT window, decay time, and amplitude offset.

    ★ 3.02 ratingsMusic$3.99Data updated 2026-09-11
  2. Audio Spectrum Analyzer dB RTA app icon

    Audio Spectrum Analyzer dB RTA

    Marina Polyanskaya

    Analyze and visualize frequencies

    Analyze frequencies with a real-time display. Adjust and visualize sound levels across different frequency ranges. Export analysis data and compare signals for accuracy. Calibrate equipment for optimal performance.

    ★ 4.53,039 ratingsMusicFreeData updated 2026-09-13
  3. Audio / Spectrum Analyzer app icon

    Audio / Spectrum Analyzer

    Loop-Sessions.LLC.

    Analyze and display waveform

    Real-time analysis displays waveform and amplitude simultaneously. Users can switch between portrait and landscape modes. Options to configure waveform and display. Adjustable FFT size and window function for precise frequency analysis.

    ★ 4.7794 ratingsMusicFreeData updated 2026-09-06
  1. RTA Audio app icon

    RTA Audio

    New Ball s.r.o.

    Record and analyze frequencies in real time

    Realtime analyzer processes live input with Fast Fourier Transform and window functions. Record for offline analysis. Visualizer module displays frequency data from recorded files. Export analysis results and files.

    ★ 3.631 ratingsMusicFreeData updated 2026-09-08
  2. Sound Spectrum Analysis app icon

    Sound Spectrum Analysis

    Dmitriy Kharutskiy

    Analyze waves in real time

    Analyze spectra in real time using a microphone. Display waveforms and FFT data with adjustable frequency scales. Measure noise levels for approximate readings. Adjust FFT size for varying frequency accuracy.

    ★ 3.642 ratingsUtilitiesFreeData updated 2026-09-15
  3. Spectral Eye app icon

    Spectral Eye

    Patrick Madden

    See sound as vibrating frequencies

    Displays sound frequencies using a Fast Fourier transform. Users can visualize incoming sound as individual sine waves. The shows frequency spectrum displays to analyze audio components.

    ★ 4.984 ratingsMusicFreeData updated 2026-09-08
  4. Audiobel: Professional SPL app icon

    Audiobel: Professional SPL

    Jorge Cozain

    Measure sound levels in decibels

    Measure sound levels in decibels using device microphone. Display average, max, and min decibel values. Show real-time peak and average graphics. Calibrate for accurate readings. Choose measurement frequency. Record audio and save files.

    ★ 4.5242 ratingsUtilities$1.99Data updated 2026-09-09
  5. Decibel Meter Sound Detector app icon

    Decibel Meter Sound Detector

    Ashraf Thoppukadavil

    Track noise levels in real time

    Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.

    ★ 4.754,929 ratingsProductivityFreeData updated 2026-09-13
  6. FFT app icon

    FFT

    Andrew Smith

    Analyze audio and display frequency graphs

    Analyzes audio using Fast Fourier Transform to display amplitude vs. frequency graphs. Displays detailed spectral analysis in octaves. Supports iOS microphone or external microphones for accurate measurements.

    ★ 4.06 ratingsMusic$10.99Data updated 2026-09-08
  7. dB Meter & Spectrum Analyzer app icon

    dB Meter & Spectrum Analyzer

    Vlad Polyanskiy

    Measure sound levels and analyze frequencies

    Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.

    ★ 4.7865 ratingsUtilities$29.99Data updated 2026-09-08
  8. Audio Spectrum Analyzer Pro app icon

    Audio Spectrum Analyzer Pro

    Vlad Polyanskiy

    Analyze and display FFT plots

    Analyze in real time with octave band and FFT plots. Display sound levels in decibels and noise ratings. Choose linear or logarithmic scales. Adjust window functions and track maximum values.

    ★ 4.4238 ratingsMusicFreeData updated 2026-09-11
  9. Sonic Tools SVM app icon

    Sonic Tools SVM

    Takuji Matsugaki

    Analyze sound, vibration, and magnetic fields

    Analyze sound with FFT, RTA, and spectrogram views. Display vibration FFT and scope measurements. Measure magnetic field with scope and RMS. Adjust settings and customize analysis parameters. Export data and view real-time waveforms.

    ★ 4.76,681 ratingsUtilitiesFreeData updated 2026-09-06
  10. Water Eject ‒ Speaker Cleaner app icon

    Water Eject ‒ Speaker Cleaner

    TINY BOOM LIMITED

    Generate sound waves and customize audio frequencies

    Create and visualize sound waves with frequency control from 0Hz to 22,000Hz. Measure decibels to assess noise levels. Emit ultrasonic frequencies to deter insects. Toggle between light and dark interface themes.

    ★ 4.730,562 ratingsMusicFreeData updated 2026-09-18
  11. Audio Kit app icon

    Audio Kit

    Sinusoid Pty Ltd

    Audio analysis and signal generation tools.

    The app provides a real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a Signal Generator. Users can view audio spectrums, waveforms, sound pressure levels, and generate sine waves or noise.

    ★ 3.56 ratingsMusic$2.99Data updated 2026-09-14
  12. Spectrum Analyzer: Spectrogram app icon

    Spectrum Analyzer: Spectrogram

    Music Breath, OOO

    Analyze sound and visualize frequencies

    Measure sound levels with real-time precision. Analyze harmonics using multichannel FFT with adjustable parameters. Display graphical representations of audio data. Utilize AI to identify sound sources and analyze environments.

    ★ 4.2196 ratingsMusicFreeData updated 2026-09-09
  13. Audio spectrum analyzer EQ Rta app icon

    Audio spectrum analyzer EQ Rta

    Marina Polyanskaya

    Analyze and visualize frequency

    Analyze in real time with octave band and FFT measurements. Visualize frequency spectra and measure sound levels. Export data and compare measurements across sessions.

    ★ 4.5245 ratingsProductivity$3.99Data updated 2026-09-14
  14. Speaker Wizard Tone Generator app icon

    Speaker Wizard Tone Generator

    HyperHype UAB

    Generate tones, test audio, customize frequencies

    Generate pure tones, frequencies, and waveforms for and headphone testing. Customize frequency ranges and noise types. Perform audio quality tests and analyze sound output. Save and share test results.

    ★ 4.67,330 ratingsMusicFreeData updated 2026-09-06
  15. e-scope 3-in-1 app icon

    e-scope 3-in-1

    E-SKETT CORPORATION

    Analyze, generate, and visualize signals

    Analyze audio signals with FFT spectrum analysis and oscilloscope display. Generate test signals and measure frequency responses. Sync FFT sweeps for real-time frequency characteristic observation. Input signals via connected devices.

    ★ 3.01 ratingsMusic$1.99Data updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.