Corezen is a free iPhone app developed by ULLAAS MENON in the Lifestyle category, specifically under Health & Fitness. The program, 'Revive Happiness,' serves as a tool and journal to help users identify factors contributing to their happiness. It enables users to set happiness-determining factors, record daily satisfaction levels, and monitor happiness in alignment with personal goals and expectations.

With Corezen, users are guided through their happiness journey, allowing them to analyze and track progress effectively. The app generates insightful reports that showcase the user's advancement towards a happier life. Corezen acts as a supportive Life Coach, empowering users to live better and appreciate the beauty of life.