Moodmetric/Vigofere Oy develops high technology for preventive stress management.The Moodmetric measurement helps to recognize the stressors and relaxing factors of life, and to find the individual ways to manage stress. The Moodmetric smart ring and app motivate and encourage to balance the autonomic nervous system, to feel and perform better. Real time measurement makes the Moodmetric ring a powerful tool for preventive stress management. It is also valid for field research.