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
Play and record compositions with high-quality sounds. Save, rename, and organize recordings. Share creations directly. Explore instrument tuning and playback settings.
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.
A with smaller size and faster startup. Records full calculations and displays results in real-time. Offers multiple key tones. Includes custom decimal places, display in thousands, unit prompts, date display, and note functionality.