Based in Portland, Oregon, Phase4 Mobile creates innovative and elegant apps focused on improving quality of life.


sleepsoundshq.com Sleep Sounds HQ
Instantly relax your overactive mind, and fall asleep fast with over 600 soothing sounds from around the world. Sleep deeply and wake up fresh and energized.
rainsoundsapp.com Rain Sounds HQ
NEW! Relax with over 70 high-quality rain sounds from around the world. Listen to gentle showers and rolling thunderstorms in the world’s forests, countryside, and cities.
whitenoisehqapp.com.com White Noise HQ
NEW! Transform your bedroom, hotel room or office with over 75 white noise sounds individually selected for their noise-blocking qualities.