Company Phase4 Mobile created these great apps:
Sleep Sounds HQ: relaxing aid, Soothing Sleep Sounds, Rain Sounds HQ: sleep aid, Free Rain Sounds: Natural raining sounds, thunderstorms, & rainy ambiance to help relax, aid sleep & focus, White Noise HQ: sound machine, Free White Noise: Natural sounds to block noise, help sleep & focus, Power Nap HQ: Sleep tracking, Power Nap Tracker: cycle timer, Shusher: baby sleep sounds, Tinnitus HQ, Tinnitus Aid: help ear ringing, Baby Sleep Sounds HQ+: Shusher, Sleep Science Alarm Clock, Sleep Science HQ: alarm clock, and others..
