Apps Like FFT for iPhone and iPad
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.
FFT screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.


Ella: Sight Singing & Reading
Ensemble Education, Inc.
Sing and tune with real-time feedback
Helps users improve musical ear through exercises that evaluate pitch and intervals. It includes an on-screen tuner, detailed pitch graphs, and modes for listening and testing.

Tone Generator Ultra
Limelight Software
Generate test tones and frequencies easily.
The app generates test tones and frequencies using sine, square, and sawtooth waves. It supports frequencies from 20Hz to 22kHz and includes white and pink noise generation.


Ghost Detect Pro
Perfect Reality Apps LLC
Anomalies and track ghosts
Detects electromagnetic fields with accurate readings. Tracks anomalies using radar. Records audio for EVP sessions with five voice options. Includes a sensitive microphone and vibration sensor. Alerts for sensor activity.


Frequency: Sound Generator
Lucija Jaksic
Nd play waves in different frequencies
Nd play waves with customizable settings from 1Hz to 22000Hz. Choose between sine, square, sawtooth, or triangle waveforms. Adjust volume and playback duration. Save and share generated files.

Tone Generator Simple
Tevfik Yucek
Generate tones, adjust frequency, test hearing
Generate sine, square, sawtooth, and triangle tones across a wide frequency range. Adjust frequency by swiping up or down. Sweep sine frequency for hearing testing. Play tones to clean speakerphone dust and water.

Airyware Tuner - strobe & more
Sergey Konvisarov
Tune instruments with precision and accuracy
Tune instruments with real-time pitch detection and 0.1-cent accuracy. Support for string, brass, woodwind, and percussion instruments. Includes tuning mode, waveform inspection, and noise reduction. Calibrate to live sound or A4 standard.

Speaker cleaner. Water eject.
Hanna Molenaar
Expel , generate tones, test sound, measure
Use sound waves to remove from speakers. Generate custom tones with adjustable frequencies and waveform shapes. Repel pests using specific sound frequencies. Test stereo sound output and measure ambient noise levels.

Frequency Sound Wave Generator
David Krejci
Generate tones, test sounds, analyze frequencies
Generate tones and sounds at specific frequencies. Create single or multiple tones. Use musical note presets. Produce binaural beats. Generate SFX sounds. Analyze waves. Perform tests. Adjust settings.


AUFX:PeakQ
Kymatica AB
Equalize audio with precise control
A 4-band parametric stereo equalizer with peak, low-shelf, and high-shelf filters. Adjust gain, frequency, and Q for each band. View real-time frequency response graphs. Apply effects for subtle enhancements or aggressive boosting.

Spectrum Eye RTA
Oleg Naumenko
Monitor audio signals and adjust settings
Audio analysis tool for professionals and students. View frequency spectra with adjustable FFT sizes and averaging times. Customize plot color and input source. Scale and move plot with smooth animation. Utilize full audio range from built-in mic.

iTuner - Chromatic Tuner
Vitalii Gryniuk
Tune instruments with precision and frequency meter
Tune instruments like guitar, piano, and violin with a . Generate tones and adjust frequencies for voice training. Display tuning systems including equal temperament and Pythagorean.

Metal Detector for iPhone
nakhon phagdeechat
Measure magnetic fields in real time
Measure magnetic field strength using the device's built-in sensor. Display real-time trends of magnetic field values. Trigger sound alerts when levels exceed a set threshold. Option to disable audio notifications.


Frequency Meter PRO
Lubomir Havran BINARTS
Measure audio in real time
Measure and analyze audio frequencies with real-time scanning from internal or external microphone. Display audio level, noise level, range, current , oscilloscope, and spectrum analyzer. Calibrated for accuracy between 15 - 22500 Hz with +/- 0.


dBMeter - Decibelmeter
Ramon Palacios Saez
Measure sound intensity in real time
Measures sound intensity in real time with decibel accuracy. Displays minimum, maximum, and average noise levels. Shows noise-time graphs for analysis. Allows microphone calibration for precise readings. Supports background and screen-off operation.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.