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 61–80 of 1,000 ranked alternatives.

Sleep Dose: White Noise Remedy
Better Feel Technology Co., Ltd.
Mix sounds for better
Create a calming environment with customizable sounds. Mix soothing options like rain, waterfall, and fan sounds. Use binaural beats including 2 Hz Delta Waves and 528 Hz tones. Access green, brown, red, and pink to block distractions.

Decibel dB Sound Meter Ultra
Ultrafine, Lda
Record levels and track noise trends
Measure and record levels with precision using A, C, and Z frequency weighting. Track levels in real time. Log and analyze data for environmental monitoring or equipment calibration. Export measurements and set alerts for noise thresholds.

TestTone
博 武田
Audio test signal generator for music.
The app generates sine, triangle, sawtooth, and square waves from 20 Hz to 20 kHz. It also produces white noise and pink noise, with manual frequency input and waveform selection.

Click Counter
Schimera Pty Ltd
Count items, edit entries, track trends, export
Track items with manual entry and editing. Monitor count changes over time using a graph. Export data as CSV for external reporting. Filter time series data on the graph.

SPL Graph
Andrew Smith
Analyze sound levels over time
The app analyzes sound pressure levels and provides real-time frequency analysis. It plots sound levels over time and can record audio for playback to identify sound events.

Soundbeam
PZ MOBILE LIMITED
Visualize sound with real-time waveforms
Visualizes audio signals in real time with a spectrum display. Connects to microphones or hi-Z devices via mini-jack. Measures sound frequency and amplitude. Adjusts visual settings for different sound sources. Displays real-time audio analysis data.


Vibration Meter, seismograph
ExaMobile S.A.
Record and analyze seismic vibrations
Meter detects and records seismic waves from earthquakes, volcanic eruptions, and other vibrations. It uses the phone's accelerometer to measure and analyze motion. Displays a graph of ground movement over time. Allows users to save and review data.


AudioTest
Katsura Shareware
Generate and save audio test signals.
The app generates audio test signals including sine, triangle, sawtooth, square, pulse, and various noise types. It supports fixed and sweep frequencies and levels, with adjustable phase shift and multiple sample rates and bit depths.

iAudioTool
Julian Bunn
Analyze and measure audio signals
Measure sound levels with SPL meter and RT60 analysis for room reverberation. Analyze frequency spectra using spectrogram and octave modes. nd test audio signals with white/pink noise, sine, and sweep options.




Audio Editor - AudioLab, Mixer
Innovation Software Development 360 LLC
Record, edit, and remix
Separate vocals and instruments using AI. Edit in videos with volume adjustments and effects. Convert between multiple formats. Apply over 20 effects. Record with built-in effects.

Clean Wave - Clear Speaker
David Krejci
Play sounds, speakers, measure noise
Play sounds at defined frequencies between 0Hz and 25kHz. Use the noise meter to measure sound levels. Test speakers with quality audio for sound output.

EQ Trainer
Wilson Desimini
Train ears with frequency bands
Helps users identify specific frequency ranges through Sine wave or Pink Noise playback. Users adjust equalization settings to match target frequencies. Track progress with built-in exercises and feedback.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.