This app generates binaural beats, noise sounds and relaxing sounds as combination. You can save and load settings. How to use - adjust wave base frequency from 1 to 800 Hz - tune the gap from 1 to 100 Hz, indicating alpha, beta, theta, gamma and delta wave - switch wave direction - select noise sounds from 6 types - select 4 types of relaxing sounds - save settings as preset - load your favorite setting Flip Binaural beat You can flip direction of binaural beats, left to right or right to left. 5 Wave Types - alpha: relaxation, pre-sleep and pre-wake drowsiness, REM sleep, Dreams - beta: active, busy or anxious thinking and active concentration, arousal, cognition, and or paranoia - gamma: higher mental activity, including perception, problem solving, fear, and consciousness - delta: deep dreamless sleep, loss of body awareness - theta: deep meditation/relaxation, NREM sleep 5 Noise types White noise, pink noise, gray noise, blue noise, brown noise, purple noise 4 Relaxing sounds Rain, Train, Spring, Wiper