Generate frequencies in the audio range from 20Hz up to 20kHz. Test your hearing and compare with your friends. Use it to tune your instrument or simply annoy your neighbour's dog.
Test audio equipment using a fixed frequency or a frequency sweep that sweeps the frequency in a logarithmic scale from 20Hz to 20kHz.
The frequency can be selected by turning the knob or by entering the exact desired frequency using the keyboard.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
With Family Sharing set up, up to six family members can use this app.