Lullaby helps treat Tinnitus, a condition that makes you hear a very annoying sound for the rest of your life. Most of the ENTs I checked with seemed poorly prepared to help their patients with the stress, so the app teaches you a healthy way to do that.
Audio Cardio is a mobile app that aims to protect, maintain and strengthen your hearing using personalized frequencies based on your individual needs. Backed by science (and data), Audio Cardio allows you to listen to your favorite music while you receive your therapy.