I love the idea of being able to blend binaural beats with nature sounds. And the application works well. But the sound clips are too short... mostly around 6-8 seconds long, so you can tell when the audio loops. It becomes repetitive. Also the blend slider resets to a default setting every time you open the application instead of remembering where you had it last (they may have fixed this in an update). All in all a great concept. Definitely worth a dollar... but could be better with a few tweeks.
Peace
Jamesthe5th about SleepStream Classic - Advanced Sleep Inducer & Energizer