Do you need some rest after a long day? Maybe are you willing to have a relaxing moment alone? We are honored to introduce you to our app which is Delta Waves. Listening to the delta waves carries numerous benefits. They are responsible for the emission of deep sleep brain waves and also they have rejuvenating properties. As well as the benefits above delta waves are able to affect the immune system, sleep and knowledge acquisition. The Delta Waves app is able to reproduce three different play modes of delta waves in the free version and ten in the premium one. Moreover you can also play some ear friendly sounds. The free version offers you three sounds while the premium has for you seventeen! The app offers you: - playing delta waves using various modes - selecting specific frequency of delta waves 0.1 Hz to 4.0 Hz (the free version is 0.1 Hz to 1.2 Hz) - playing different sounds - setting the volume - setting the timer (only in premium) Available delta waves modes: Free: Deep Sleep, Pain relief, Anti aging. Premium: Healing, Unconscious mind, Harmony, Rejuvenation, Growth Hormones, Immune System, Body Spirit. Available sounds: Free: Sea Waves, Birds, Fire burning. Premium: Birds 2, Fire crackling, Fire, Frog, Heavy rain, Heavy rain 2, Beach at night, Sea waves 2, Storm, Summer nights, Thunderstorm, Traffic, Walking on water, Windy sea.