Create audio tones from 1 Hz to 22 kHz with adjustable frequency and waveform. Offers a sleep timer and dark mode. Free users have limited daily uses and waveform options.






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Create audio tones from 1 Hz to 22 kHz with adjustable frequency and waveform. Offers a sleep timer and dark mode. Free users have limited daily uses and waveform options.








Transform your mobile device into a dual-channel signal generator for sound and audio electric signals. Offers a wide variety of waveform types and customizable parameters like amplitude, frequency, and phase. Ideal for professionals and hobbyists for signal generation and circuit measurement.


Create various periodic signals with adjustable frequency and amplitude for testing electronic circuits or tuning instruments. Features include a metronome, a real-time tuner, and options for generating different noise types and tone sequences. It also offers unique features for hearing tests and party games.


This app provides 28 calculators and reference information for professional audio sound reinforcement and lighting. It covers acoustics, audio electronics, cabling, and lighting calculations, making it a valuable tool for audio and lighting professionals.


Generate and analyze a wide range of sounds and frequencies. Explore tone generation, sound tests, musical tuning, and create custom sound effects. Visualize sound waves and experiment with different waveforms.


Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.


Calculate bass reflex boxes, quarter-wave resonators, and tune existing subwoofer enclosures. Generate sine waves, check box settings, and view speaker wiring diagrams. Also assists with power cable selection for optimal audio performance.


Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.