Apps Like SimpleFFT for iPhone and iPad
SimpleFFT screenshots
Ranked alternatives
Showing 361–380 of 1,000 ranked alternatives.





Interval Timer - Just SW
Tony Peng
Train intervals with custom sets and timing
Create and manage training sessions with customizable sets, action time, and break time. Track workout progress and adjust settings for HIIT or Tabata routines.





WINSystemInfo
BEHR Consulting International
Locate repeaters and view frequencies
Displays a map with WIN System Repeaters, IRLP repeaters, or both. Taps on map pins show frequency and PL for connection. Lists repeaters sorted by distance with search and refresh options. Taps on list items to view details.

ForTime - Workout WOD Timer
Agilevent Corporation
Track intervals and manage workouts
A fitness for HIIT, CrossFit, and other workouts. Set intervals, TABATA, EMOM, and custom timers. Includes running clocks and rest periods. Features audible beeps and visible countdowns. Syncs with music playback. Tracks personal records.

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.



Oscilyzer
Stefan Robl
Analyze, visualize, and synthesize audio signals
Oscilloscope mode displays real-time waveforms with automatic and single-shot triggering. Measures frequency, period, and amplitude automatically or manually. Spectrum analyzer mode identifies frequency components and amplitude levels.


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