World Health organization (WHO) reported that by 2020 stress would be main cause of diseases. Sumondo is medical device company developing a clinical product for diagnosing mental stress and preventing depression. Sumondo pro™ App works with sensors using heart rate variability (HRV) and artificial intelligence (AI). The technology could be applied for multiple clinical applications, including chronic stress, diabetes, cardiac problems & epilepsy. The products are expected to benefit the patients in early diagnosis, reducing costs and enabling prevention of diseases.