Company Lina Elsayed created these great apps:
Nature Melody — Soothing, Calming, and Relaxing Sounds to Relieve Stress and Help Sleep Better (Free), Nature Melodies - Relaxing and Soothing Sounds for Stress Reduction, Mindfulness, Meditation, Relaxation and Better Sleep, Classic Melody — Relaxing, Calming, and Soothing Instrumental Music to Relieve Stress and Help Sleep Better (Free), and others..