Generate tones, adjust frequencies, play multiple sounds
Generate tones between 20 Hz and 15000 Hz with 0.1 Hz precision. Adjust frequencies and volumes in real time. Play up to 12 tones simultaneously with independent volume control. Supports sine, square, and triangle waveforms.
by Peter Deelstra★ 4.723 ratingsUtilities$0.99Data updated 2026-09-08
Learn and practice with vocabulary from JLPT N2, N3, N4, and N5 levels. Input words and sentences to improve accuracy. Track progress and review common errors.
Set a custom timer with hour, minute, and second controls. Pause audio playback when the timer ends, even from the lock screen. Save frequently used timers for quick access. Features a calming purple theme and minimalist interface.