CardioX - CardioX AI powered mobile app can estimate blood pressure, heart rate and calculate all major HRV parameters.There is no need for any medical devices, only CardioX mobile app and a smartwatch with ECG capabilities(or portable ECG monitor).
Sleepy Baby - Help your baby sleep with the Sleepy Baby soundboard.
Magic - Get whatever you want on demand with no hassle, through SMS
MyNoise - Custom shaped online noise machines. Many Many generic sounds
PainScale - Find treatments for your chronic pain
Drift Sleep App - Sleep to the sounds of different locations around the world