Generate pure sine wave tones at frequencies from 20hz to 22,000hz. Tone generation is useful in tuning instruments, hearing tests, science experiments, and testing audio equipment.Tone Generator has many uses:- Hearing Test: What is the lowest/highest frequency you can hear in each ear?- Tuning Instruments: Does your top guitar string match Low E at 440 Hz?- Science Experiments: What is the resonant frequency of your wine glass?- Audio System Test: What frequencies does your subwoofer support?Directions:Adjust audio frequency by dragging the slider or tapping the plus/minus buttons. Adjust device volume using the on-screen volume slider. You can also specify to play audio to any AirPlay supported device. Toggle audio playback using the Play/Pause button.Created by the audio experts at TMSOFT that brought you the famous White Noise app. Check out all our apps and sounds at http://www.tmsoft.com/
||Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.