The app converts between musical notes, frequencies, and wavelengths. It includes an oscillator to hear frequencies and a frequency tracker that displays the audio waveform.
by Dave Guerin★ 5.01 ratingsUtilities$2.99Data updated 2026-09-19
Convert units between lux, foot-candles, and other photometric measurements. Calculate conversions based on standard formulas. Display results with precision and support for multiple unit systems.
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.
