Sleep Sounds: Calm Relax is a free iPhone application developed by Islambek Tanabay. It falls under the Lifestyle category and offers a variety of white noise options with beautiful background animations. Users can set timers for auto-off, making it convenient for various activities like sleep, relaxation, meditation, yoga, work, study, and focus.

The app features a wide range of white noise sounds such as birds in the forest, cat's purr, fan, tropical rain, sea port, office ambiance, and many more. With options like soul healing, motivational energy, deep sleep, and positive thinking, Sleep Sounds: Calm Relax aims to create a serene environment for users to unwind and focus.