Apps Like Tone Generator Simple for iPhone and iPad
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.
by Tevfik Yucek★ 4.8128 ratingsUtilitiesFreeData updated 2026-09-06
The app decodes Morse code using the device's microphone. It employs FFT technology to detect and decode carriers, minimizing false decodes from noise.
The app displays a frequency spectrogram over time for any audio signal, particularly voice. It allows users to examine harmonics, formats of human voice, articulation, and voice quality.